diff --git a/ci/srht/update_download_page b/ci/srht/update_download_page
index 1a721bec805c79ac0c89f04e6accd80c858d82de..cd289713db42b9b5b5dc1b0ccc0145368f2d925e 100755
--- a/ci/srht/update_download_page
+++ b/ci/srht/update_download_page
@@ -21,7 +21,10 @@ curl --fail -I "$AARCH64_LINUX_JSON_URL" >/dev/null || exit 0
 curl --fail -I "$X86_64_LINUX_JSON_URL" >/dev/null || exit 0
 curl --fail -I "$X86_64_WINDOWS_JSON_URL" >/dev/null || exit 0
 curl --fail -I "$X86_64_MACOS_JSON_URL" >/dev/null || exit 0
-curl --fail -I "$X86_64_FREEBSD_JSON_URL" >/dev/null || exit 0
+
+# FreeBSD is dealing with some weird upstream bug right now
+# https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244549
+#curl --fail -I "$X86_64_FREEBSD_JSON_URL" >/dev/null || exit 0
 
 # Without --user, this gave me:
 # ERROR: Could not install packages due to an EnvironmentError: [Errno 13] Permission denied
@@ -63,10 +66,12 @@ export AARCH64_LINUX_TARBALL="$(echo "$AARCH64_LINUX_JSON" | jq .tarball -r)"
 export AARCH64_LINUX_BYTESIZE="$(echo "$AARCH64_LINUX_JSON" | jq .size -r)"
 export AARCH64_LINUX_SHASUM="$(echo "$AARCH64_LINUX_JSON" | jq .shasum -r)"
 
-X86_64_FREEBSD_JSON=$(curl --fail "$X86_64_FREEBSD_JSON_URL" || exit 1)
-export X86_64_FREEBSD_TARBALL="$(echo "$X86_64_FREEBSD_JSON" | jq .tarball -r)"
-export X86_64_FREEBSD_BYTESIZE="$(echo "$X86_64_FREEBSD_JSON" | jq .size -r)"
-export X86_64_FREEBSD_SHASUM="$(echo "$X86_64_FREEBSD_JSON" | jq .shasum -r)"
+# FreeBSD is dealing with some weird upstream bug right now
+# https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244549
+#X86_64_FREEBSD_JSON=$(curl --fail "$X86_64_FREEBSD_JSON_URL" || exit 1)
+#export X86_64_FREEBSD_TARBALL="$(echo "$X86_64_FREEBSD_JSON" | jq .tarball -r)"
+#export X86_64_FREEBSD_BYTESIZE="$(echo "$X86_64_FREEBSD_JSON" | jq .size -r)"
+#export X86_64_FREEBSD_SHASUM="$(echo "$X86_64_FREEBSD_JSON" | jq .shasum -r)"
 
 git clone https://github.com/ziglang/www.ziglang.org --depth 1
 cd www.ziglang.org
diff --git a/doc/docgen.zig b/doc/docgen.zig
index 5d7f2b7b382eb20914de95e522b820b9769c7e97..319d9e0035b25210d175fa2bc9b32526d2ac9cfa 100644
--- a/doc/docgen.zig
+++ b/doc/docgen.zig
@@ -50,7 +50,7 @@ pub fn main() !void {
     var tokenizer = Tokenizer.init(in_file_name, input_file_bytes);
     var toc = try genToc(allocator, &tokenizer);
 
-    try fs.makePath(allocator, tmp_dir_name);
+    try fs.cwd().makePath(tmp_dir_name);
     defer fs.deleteTree(tmp_dir_name) catch {};
 
     try genHtml(allocator, &tokenizer, &toc, &buffered_out_stream.stream, zig_exe);
diff --git a/doc/langref.html.in b/doc/langref.html.in
index 31def074d78f7e4894b03f84133750166481bffb..455d07b52f115b570f0fa10fa4d0b62bd00966e1 100644
--- a/doc/langref.html.in
+++ b/doc/langref.html.in
@@ -6019,13 +6019,16 @@ pub fn printf(self: *OutStream, arg0: i32, arg1: []const u8) !void {
       </p>
       {#code_begin|syntax#}
 pub fn printValue(self: *OutStream, value: var) !void {
-    const T = @TypeOf(value);
-    if (@isInteger(T)) {
-        return self.printInt(T, value);
-    } else if (@isFloat(T)) {
-        return self.printFloat(T, value);
-    } else {
-        @compileError("Unable to print type '" ++ @typeName(T) ++ "'");
+    switch (@typeInfo(@TypeOf(value))) {
+        .Int => {
+            return self.printInt(T, value);
+        },
+        .Float => {
+            return self.printFloat(T, value);
+        },
+        else => {
+            @compileError("Unable to print type '" ++ @typeName(T) ++ "'");
+        },
     }
 }
       {#code_end#}
diff --git a/lib/libc/glibc/LICENSES b/lib/libc/glibc/LICENSES
index 0e3a9fe39b26e97038d92f904508a4c3aa1bb43b..530893b1dc9ea00755603c68fb36bd4fc38a7be8 100644
--- a/lib/libc/glibc/LICENSES
+++ b/lib/libc/glibc/LICENSES
@@ -246,7 +246,7 @@ Collected from libdes and modified for SECURE RPC by Martin Kuck 1994
 This file is distributed under the terms of the GNU Lesser General
 Public License, version 2.1 or later - see the file COPYING.LIB for details.
 If you did not receive a copy of the license with this program, please
-see <http://www.gnu.org/licenses/> to obtain a copy.
+see <https://www.gnu.org/licenses/> to obtain a copy.
 
 The file inet/rcmd.c is under a UCB copyright and the following:
 
@@ -388,4 +388,4 @@ Copyright 2001 by Stephen L. Moshier <moshier@na-net.ornl.gov>
 
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, see
- <http://www.gnu.org/licenses/>.  */
+ <https://www.gnu.org/licenses/>.  */
diff --git a/lib/libc/glibc/abi.txt b/lib/libc/glibc/abi.txt
index c2a19e8c910c10c7759cfbbc641b1d63df311f11..089b9c077e1b4ce9f185ed6a7d32f457e5ce0d81 100644
--- a/lib/libc/glibc/abi.txt
+++ b/lib/libc/glibc/abi.txt
@@ -2735,6 +2735,7 @@ aarch64-linux-gnu aarch64_be-linux-gnu
 29
 29
 29
+41
 29
 40
 29
@@ -3420,22 +3421,22 @@ aarch64-linux-gnu aarch64_be-linux-gnu
 29
 29
 29
-35
-35
-37
-37
-37
-37
-37
-35
-35
-35
-37
-37
-37
-37
-37
-35
+35 41
+35 41
+37 41
+37 41
+37 41
+37 41
+37 41
+35 41
+35 41
+35 41
+37 41
+37 41
+37 41
+37 41
+37 41
+35 41
 29
 29
 29
@@ -4240,7 +4241,7 @@ s390x-linux-gnu
 5
 5
 5
-
+11
 27
 
 27
@@ -6461,6 +6462,7 @@ s390x-linux-gnu
 5
 5
 5
+41
 5 13
 40
 5 13
@@ -7146,22 +7148,22 @@ s390x-linux-gnu
 5
 5
 12
-35
-35
-37
-37
-37
-37
-37
-35
-35
-35
-37
-37
-37
-37
-37
-35
+35 41
+35 41
+37 41
+37 41
+37 41
+37 41
+37 41
+35 41
+35 41
+35 41
+37 41
+37 41
+37 41
+37 41
+37 41
+35 41
 5
 12
 5
@@ -10187,6 +10189,7 @@ arm-linux-gnueabi armeb-linux-gnueabi arm-linux-gnueabihf armeb-linux-gnueabihf
 16
 16
 16
+41
 16
 40
 16
@@ -10872,22 +10875,22 @@ arm-linux-gnueabi armeb-linux-gnueabi arm-linux-gnueabihf armeb-linux-gnueabihf
 16
 16
 16
-35
-35
+35 41
+35 41
 
-37
-37
-37
+37 41
+37 41
+37 41
 
-35
-35
-35
+35 41
+35 41
+35 41
 
-37
-37
-37
+37 41
+37 41
+37 41
 
-35
+35 41
 16
 16
 16
@@ -11692,7 +11695,7 @@ sparc-linux-gnu sparcel-linux-gnu
 1
 0
 0
-3
+3 11
 27
 
 27
@@ -13913,6 +13916,7 @@ sparc-linux-gnu sparcel-linux-gnu
 5
 5
 0
+41
 0 13
 40
 0 13
@@ -14598,22 +14602,22 @@ sparc-linux-gnu sparcel-linux-gnu
 0
 0
 12
-35
-35
-37
-37
-37
-37
-37
-35
-35
-35
-37
-37
-37
-37
-37
-35
+35 41
+35 41
+37 41
+37 41
+37 41
+37 41
+37 41
+35 41
+35 41
+35 41
+37 41
+37 41
+37 41
+37 41
+37 41
+35 41
 0
 12
 0
@@ -15418,7 +15422,7 @@ sparcv9-linux-gnu
 5
 5
 5
-
+11
 27
 
 27
@@ -17639,6 +17643,7 @@ sparcv9-linux-gnu
 5
 5
 5
+41
 5 13
 40
 5 13
@@ -18324,22 +18329,22 @@ sparcv9-linux-gnu
 5
 5
 12
-35
-35
-37
-37
-37
-37
-37
-35
-35
-35
-37
-37
-37
-37
-37
-35
+35 41
+35 41
+37 41
+37 41
+37 41
+37 41
+37 41
+35 41
+35 41
+35 41
+37 41
+37 41
+37 41
+37 41
+37 41
+35 41
 5
 12
 5
@@ -19144,7 +19149,7 @@ mips64el-linux-gnuabi64 mips64-linux-gnuabi64
 5
 0
 0
-
+11
 27
 
 27
@@ -21365,6 +21370,7 @@ mips64el-linux-gnuabi64 mips64-linux-gnuabi64
 5
 5
 0
+41
 0 13
 40
 0 13
@@ -22050,22 +22056,22 @@ mips64el-linux-gnuabi64 mips64-linux-gnuabi64
 0
 0
 12
-35
-35
-37
-37
-37
-37
-37
-35
-35
-35
-37
-37
-37
-37
-37
-35
+35 41
+35 41
+37 41
+37 41
+37 41
+37 41
+37 41
+35 41
+35 41
+35 41
+37 41
+37 41
+37 41
+37 41
+37 41
+35 41
 0
 12
 0
@@ -22870,7 +22876,7 @@ mips64el-linux-gnuabin32 mips64-linux-gnuabin32
 5
 0
 0
-
+11
 27
 
 27
@@ -25091,6 +25097,7 @@ mips64el-linux-gnuabin32 mips64-linux-gnuabin32
 5
 5
 0
+41
 0 13
 40
 0 13
@@ -25776,22 +25783,22 @@ mips64el-linux-gnuabin32 mips64-linux-gnuabin32
 0
 0
 12
-35
-35
-37
-37
-37
-37
-37
-35
-35
-35
-37
-37
-37
-37
-37
-35
+35 41
+35 41
+37 41
+37 41
+37 41
+37 41
+37 41
+35 41
+35 41
+35 41
+37 41
+37 41
+37 41
+37 41
+37 41
+35 41
 0
 12
 0
@@ -26596,7 +26603,7 @@ mipsel-linux-gnueabihf mips-linux-gnueabihf
 5
 0
 0
-
+11
 27
 
 27
@@ -28817,6 +28824,7 @@ mipsel-linux-gnueabihf mips-linux-gnueabihf
 5
 5
 0
+41
 0 13
 40
 0 13
@@ -29502,22 +29510,22 @@ mipsel-linux-gnueabihf mips-linux-gnueabihf
 0
 0
 12
-35
-35
+35 41
+35 41
 
-37
-37
-37
+37 41
+37 41
+37 41
 
-35
-35
-35
+35 41
+35 41
+35 41
 
-37
-37
-37
+37 41
+37 41
+37 41
 
-35
+35 41
 0
 12
 0
@@ -30322,7 +30330,7 @@ mipsel-linux-gnueabi mips-linux-gnueabi
 5
 0
 0
-
+11
 27
 
 27
@@ -32543,6 +32551,7 @@ mipsel-linux-gnueabi mips-linux-gnueabi
 5
 5
 0
+41
 0 13
 40
 0 13
@@ -33228,22 +33237,22 @@ mipsel-linux-gnueabi mips-linux-gnueabi
 0
 0
 12
-35
-35
+35 41
+35 41
 
-37
-37
-37
+37 41
+37 41
+37 41
 
-35
-35
-35
+35 41
+35 41
+35 41
 
-37
-37
-37
+37 41
+37 41
+37 41
 
-35
+35 41
 0
 12
 0
@@ -34048,7 +34057,7 @@ x86_64-linux-gnu
 10
 10
 10
-
+11
 27
 36
 27
@@ -36269,6 +36278,7 @@ x86_64-linux-gnu
 10
 10
 10
+41
 10 13
 40
 10 13
@@ -36954,22 +36964,22 @@ x86_64-linux-gnu
 10
 10
 12
-35
-35
-36
-37
-37
-37
-37
-35
-35
-35
-36
-37
-37
-37
-37
-35
+35 41
+35 41
+36 41
+37 41
+37 41
+37 41
+37 41
+35 41
+35 41
+35 41
+36 41
+37 41
+37 41
+37 41
+37 41
+35 41
 10
 12
 10
@@ -38600,11 +38610,11 @@ x86_64-linux-gnux32
 28
 28
 28
-29 28
-29 28
-29 28
-29 28
-29 28
+28 29
+28 29
+28 29
+28 29
+28 29
 28
 28
 28
@@ -39995,6 +40005,7 @@ x86_64-linux-gnux32
 28
 28
 28
+41
 28
 40
 28
@@ -40680,22 +40691,22 @@ x86_64-linux-gnux32
 28
 28
 28
-35
-35
-36
-37
-37
-37
-37
-35
-35
-35
-36
-37
-37
-37
-37
-35
+35 41
+35 41
+36 41
+37 41
+37 41
+37 41
+37 41
+35 41
+35 41
+35 41
+36 41
+37 41
+37 41
+37 41
+37 41
+35 41
 28
 28
 28
@@ -41500,7 +41511,7 @@ i386-linux-gnu
 1
 0
 0
-3
+3 11
 27
 36
 27
@@ -43721,6 +43732,7 @@ i386-linux-gnu
 5
 5
 0
+41
 0 13
 40
 0 13
@@ -44406,22 +44418,22 @@ i386-linux-gnu
 0
 0
 12
-35
-35
-36
-37
-37
-37
-37
-35
-35
-35
-36
-37
-37
-37
-37
-35
+35 41
+35 41
+36 41
+37 41
+37 41
+37 41
+37 41
+35 41
+35 41
+35 41
+36 41
+37 41
+37 41
+37 41
+37 41
+35 41
 0
 12
 0
@@ -47447,6 +47459,7 @@ powerpc64le-linux-gnu
 29
 29
 29
+41
 29
 40
 29
@@ -48132,22 +48145,22 @@ powerpc64le-linux-gnu
 29
 29
 29
-35
-35
-36
-37
-37
-37
-37
-35
-35
-35
-36
-37
-37
-37
-37
-35
+35 41
+35 41
+36 41
+37 41
+37 41
+37 41
+37 41
+35 41
+35 41
+35 41
+36 41
+37 41
+37 41
+37 41
+37 41
+35 41
 29
 29
 29
@@ -51173,6 +51186,7 @@ powerpc64-linux-gnu
 12
 12
 12
+41
 12 13
 40
 12 13
@@ -51858,22 +51872,22 @@ powerpc64-linux-gnu
 12
 12
 12
-35
-35
+35 41
+35 41
 
-37
-37
-37
+37 41
+37 41
+37 41
 
-35
-35
-35
+35 41
+35 41
+35 41
 
-37
-37
-37
+37 41
+37 41
+37 41
 
-35
+35 41
 12
 12
 12
@@ -52678,7 +52692,7 @@ powerpc-linux-gnueabi powerpc-linux-gnueabihf
 1
 0
 0
-3
+3 11
 27
 
 27
@@ -54899,6 +54913,7 @@ powerpc-linux-gnueabi powerpc-linux-gnueabihf
 5
 5
 0
+41
 0 13
 40
 0 13
@@ -55584,22 +55599,22 @@ powerpc-linux-gnueabi powerpc-linux-gnueabihf
 0
 0
 12
-35
-35
+35 41
+35 41
 
-37
-37
-37
+37 41
+37 41
+37 41
 
-35
-35
-35
+35 41
+35 41
+35 41
 
-37
-37
-37
+37 41
+37 41
+37 41
 
-35
+35 41
 0
 12
 0
diff --git a/lib/libc/glibc/bits/byteswap.h b/lib/libc/glibc/bits/byteswap.h
index 83731c9eab7766b19aabedee8f8dd8d86669cccd..ccf613a9f6da0efd39de995493aecaea2a1c2cf9 100644
--- a/lib/libc/glibc/bits/byteswap.h
+++ b/lib/libc/glibc/bits/byteswap.h
@@ -1,5 +1,5 @@
 /* Macros and inline functions to swap the order of bytes in integer values.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _BYTESWAP_H && !defined _NETINET_IN_H && !defined _ENDIAN_H
 # error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
diff --git a/lib/libc/glibc/bits/floatn-common.h b/lib/libc/glibc/bits/floatn-common.h
index 980bfdaf89e9cc1c3c10c608d45009ab8dab1158..6aa5ba12e4e03512b1b67a0546cee2fb0f606b1e 100644
--- a/lib/libc/glibc/bits/floatn-common.h
+++ b/lib/libc/glibc/bits/floatn-common.h
@@ -1,6 +1,6 @@
 /* Macros to control TS 18661-3 glibc features where the same
    definitions are appropriate for all platforms.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_COMMON_H
 #define _BITS_FLOATN_COMMON_H
diff --git a/lib/libc/glibc/bits/libc-header-start.h b/lib/libc/glibc/bits/libc-header-start.h
index 72efab29f2cf3672363b54c081a77f21e46e3c42..b872a417befc573de12497f136bb74def06f5f76 100644
--- a/lib/libc/glibc/bits/libc-header-start.h
+++ b/lib/libc/glibc/bits/libc-header-start.h
@@ -1,5 +1,5 @@
 /* Handle feature test macros at the start of a header.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This header is internal to glibc and should not be included outside
    of glibc headers.  Headers including it must define
@@ -43,22 +43,38 @@
 #endif
 
 /* ISO/IEC TS 18661-1:2014 defines the __STDC_WANT_IEC_60559_BFP_EXT__
-   macro.  */
+   macro.  Most but not all symbols enabled by that macro in TS
+   18661-1 are enabled unconditionally in C2X; the symbols in Annex F
+   still require that macro in C2X.  */
 #undef __GLIBC_USE_IEC_60559_BFP_EXT
 #if defined __USE_GNU || defined __STDC_WANT_IEC_60559_BFP_EXT__
 # define __GLIBC_USE_IEC_60559_BFP_EXT 1
 #else
 # define __GLIBC_USE_IEC_60559_BFP_EXT 0
 #endif
+#undef __GLIBC_USE_IEC_60559_BFP_EXT_C2X
+#if __GLIBC_USE (IEC_60559_BFP_EXT) || __GLIBC_USE (ISOC2X)
+# define __GLIBC_USE_IEC_60559_BFP_EXT_C2X 1
+#else
+# define __GLIBC_USE_IEC_60559_BFP_EXT_C2X 0
+#endif
 
 /* ISO/IEC TS 18661-4:2015 defines the
-   __STDC_WANT_IEC_60559_FUNCS_EXT__ macro.  */
+   __STDC_WANT_IEC_60559_FUNCS_EXT__ macro.  Other than the reduction
+   functions, the symbols from this TS are enabled unconditionally in
+   C2X.  */
 #undef __GLIBC_USE_IEC_60559_FUNCS_EXT
 #if defined __USE_GNU || defined __STDC_WANT_IEC_60559_FUNCS_EXT__
 # define __GLIBC_USE_IEC_60559_FUNCS_EXT 1
 #else
 # define __GLIBC_USE_IEC_60559_FUNCS_EXT 0
 #endif
+#undef __GLIBC_USE_IEC_60559_FUNCS_EXT_C2X
+#if __GLIBC_USE (IEC_60559_FUNCS_EXT) || __GLIBC_USE (ISOC2X)
+# define __GLIBC_USE_IEC_60559_FUNCS_EXT_C2X 1
+#else
+# define __GLIBC_USE_IEC_60559_FUNCS_EXT_C2X 0
+#endif
 
 /* ISO/IEC TS 18661-3:2015 defines the
    __STDC_WANT_IEC_60559_TYPES_EXT__ macro.  */
diff --git a/lib/libc/glibc/bits/long-double.h b/lib/libc/glibc/bits/long-double.h
index ed36d97cc9c883edce7f905c9d7ff4a0958ae276..6e16447e651fc2ac33304cf4bf0b65420215a1de 100644
--- a/lib/libc/glibc/bits/long-double.h
+++ b/lib/libc/glibc/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This header is included by <sys/cdefs.h>.
 
@@ -37,3 +37,4 @@
 #ifndef __NO_LONG_DOUBLE_MATH
 # define __NO_LONG_DOUBLE_MATH	1
 #endif
+#define __LONG_DOUBLE_USES_FLOAT128 0
diff --git a/lib/libc/glibc/bits/select.h b/lib/libc/glibc/bits/select.h
index 71b771f7c90bb82a7d3d2d5f0571dbefb6d624de..14ea12f437838632e8f099bd1f690b048d8e043e 100644
--- a/lib/libc/glibc/bits/select.h
+++ b/lib/libc/glibc/bits/select.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SELECT_H
 # error "Never use <bits/select.h> directly; include <sys/select.h> instead."
diff --git a/lib/libc/glibc/bits/signum-generic.h b/lib/libc/glibc/bits/signum-generic.h
index 6fbbf20a314513066a8dd5dce09ff08ce586eafd..504e5fb8c8d3e315f4ed5a3f504aa9aa1e00accc 100644
--- a/lib/libc/glibc/bits/signum-generic.h
+++ b/lib/libc/glibc/bits/signum-generic.h
@@ -1,5 +1,5 @@
 /* Signal number constants.  Generic template.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_BITS_SIGNUM_GENERIC_H
 #define _BITS_SIGNUM_GENERIC_H 1
diff --git a/lib/libc/glibc/bits/stat.h b/lib/libc/glibc/bits/stat.h
index c8d0665c3e1804a3988e5d6b8cef1f9a2c8151e0..d6497c9aa71586480bd9f35c364be061cf075fe5 100644
--- a/lib/libc/glibc/bits/stat.h
+++ b/lib/libc/glibc/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/glibc/bits/stdint-intn.h b/lib/libc/glibc/bits/stdint-intn.h
index fc7b43fc043a127b85eb0f8742200433ed09ef14..9e7bbc97bae7af0a12121407be7f92e85f43fa55 100644
--- a/lib/libc/glibc/bits/stdint-intn.h
+++ b/lib/libc/glibc/bits/stdint-intn.h
@@ -1,5 +1,5 @@
 /* Define intN_t types.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_STDINT_INTN_H
 #define _BITS_STDINT_INTN_H	1
diff --git a/lib/libc/glibc/bits/stdlib-bsearch.h b/lib/libc/glibc/bits/stdlib-bsearch.h
index 60bb70c2d200dafc4127e4ca7116b623379688b1..2f248a6937b0fa50d2bf6babeceb0a19f44fff94 100644
--- a/lib/libc/glibc/bits/stdlib-bsearch.h
+++ b/lib/libc/glibc/bits/stdlib-bsearch.h
@@ -1,5 +1,5 @@
 /* Perform binary search - inline version.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 __extern_inline void *
 bsearch (const void *__key, const void *__base, size_t __nmemb, size_t __size,
diff --git a/lib/libc/glibc/bits/time64.h b/lib/libc/glibc/bits/time64.h
index c0f8a24d8a1fcf89e38913113c4dadf5df93febd..42f21fc86ee83369df626686a6a56ba329029847 100644
--- a/lib/libc/glibc/bits/time64.h
+++ b/lib/libc/glibc/bits/time64.h
@@ -1,5 +1,5 @@
 /* bits/time64.h -- underlying types for __time64_t.  Generic version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/time64.h> directly; use <sys/types.h> instead."
diff --git a/lib/libc/glibc/bits/timesize.h b/lib/libc/glibc/bits/timesize.h
index 242334e4d81716cf2f23c844705157c6653806b7..71bf75506921deabc58d455f065c9775784f09b6 100644
--- a/lib/libc/glibc/bits/timesize.h
+++ b/lib/libc/glibc/bits/timesize.h
@@ -1,5 +1,5 @@
 /* Bit size of the time_t type at glibc build time, general case.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <bits/wordsize.h>
 
diff --git a/lib/libc/glibc/bits/types/struct_sched_param.h b/lib/libc/glibc/bits/types/struct_sched_param.h
index 8bf92c0fb068504eec0bdecf4932ae3fb24a5a2a..db228a8d0a781859b082afd64225f1fb0a4a8e3e 100644
--- a/lib/libc/glibc/bits/types/struct_sched_param.h
+++ b/lib/libc/glibc/bits/types/struct_sched_param.h
@@ -1,5 +1,5 @@
 /* Sched parameter structure.  Generic version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library;  if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_STRUCT_SCHED_PARAM
 #define _BITS_TYPES_STRUCT_SCHED_PARAM 1
diff --git a/lib/libc/glibc/bits/typesizes.h b/lib/libc/glibc/bits/typesizes.h
index 41c89243369f4fdeb9f927827d9e4811d0fffd99..014c9aab2136c03fc87213217eb523d5bb825601 100644
--- a/lib/libc/glibc/bits/typesizes.h
+++ b/lib/libc/glibc/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Generic version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -72,8 +72,13 @@
 
 /* And for rlim_t and rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
+
+# define __STATFS_MATCHES_STATFS64  0
 #endif
 
 /* Number of descriptors that can fit in an `fd_set'.  */
diff --git a/lib/libc/glibc/bits/uintn-identity.h b/lib/libc/glibc/bits/uintn-identity.h
index 23824f9f772e1b15f0cc4cce6b26e61269de0f6c..f2fc48b63d76682e60db6d2be1a2bc386812a94a 100644
--- a/lib/libc/glibc/bits/uintn-identity.h
+++ b/lib/libc/glibc/bits/uintn-identity.h
@@ -1,5 +1,5 @@
 /* Inline functions to return unsigned integer values unchanged.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _NETINET_IN_H && !defined _ENDIAN_H
 # error "Never use <bits/uintn-identity.h> directly; include <netinet/in.h> or <endian.h> instead."
diff --git a/lib/libc/glibc/bits/waitflags.h b/lib/libc/glibc/bits/waitflags.h
index 45d8fb0164b170b9a4ce71af1afbda733bd81969..a2f9646b22b61edf6a70fd7b8ad437e559b6c788 100644
--- a/lib/libc/glibc/bits/waitflags.h
+++ b/lib/libc/glibc/bits/waitflags.h
@@ -1,5 +1,5 @@
 /* Definitions of flag bits for `waitpid' et al.
-   Copyright (C) 1992-2019 Free Software Foundation, Inc.
+   Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_WAIT_H && !defined _STDLIB_H
 # error "Never include <bits/waitflags.h> directly; use <sys/wait.h> instead."
diff --git a/lib/libc/glibc/bits/waitstatus.h b/lib/libc/glibc/bits/waitstatus.h
index 9d08786c040848b713890662b031db9951729549..66d88a0be61c8081a24fb51219bb46fddb93c276 100644
--- a/lib/libc/glibc/bits/waitstatus.h
+++ b/lib/libc/glibc/bits/waitstatus.h
@@ -1,5 +1,5 @@
 /* Definitions of status bits for `wait' et al.
-   Copyright (C) 1992-2019 Free Software Foundation, Inc.
+   Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_WAIT_H && !defined _STDLIB_H
 # error "Never include <bits/waitstatus.h> directly; use <sys/wait.h> instead."
diff --git a/lib/libc/glibc/csu/abi-note.S b/lib/libc/glibc/csu/abi-note.S
index fa1f014a88dd5c4b1cdc75be957ced2fd33ef060..2b4b5f88247657fcf6f0cf4fc85240bb75023f7e 100644
--- a/lib/libc/glibc/csu/abi-note.S
+++ b/lib/libc/glibc/csu/abi-note.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -23,7 +23,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Define an ELF note identifying the operating-system ABI that the
    executable was created for.  The ELF note information identifies a
diff --git a/lib/libc/glibc/csu/elf-init.c b/lib/libc/glibc/csu/elf-init.c
index 9d192dfca056c0b49676f923916b2c116cc48d0e..b713c8b0fb50d60fc4d52db94c80cc5e8137e2ba 100644
--- a/lib/libc/glibc/csu/elf-init.c
+++ b/lib/libc/glibc/csu/elf-init.c
@@ -1,5 +1,5 @@
 /* Startup support for ELF initializers/finalizers in the main executable.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <stddef.h>
 
diff --git a/lib/libc/glibc/debug/stack_chk_fail_local.c b/lib/libc/glibc/debug/stack_chk_fail_local.c
index ae5aa181a39f96228977012b0609f3661ddc7f9e..5d6dc84e6b6d9801b34b2b62a1f8ac28ce22c3ff 100644
--- a/lib/libc/glibc/debug/stack_chk_fail_local.c
+++ b/lib/libc/glibc/debug/stack_chk_fail_local.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,7 +30,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sys/cdefs.h>
 
diff --git a/lib/libc/glibc/elf/elf.h b/lib/libc/glibc/elf/elf.h
index 7c6d6094edbe3b09dd8eadbe0b635d315a3ac35a..2549a177d6ea17523c2bed6868a67c89a5f40c2b 100644
--- a/lib/libc/glibc/elf/elf.h
+++ b/lib/libc/glibc/elf/elf.h
@@ -1,5 +1,5 @@
 /* This file defines standard ELF types, structures, and macros.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _ELF_H
 #define	_ELF_H 1
@@ -1715,6 +1715,7 @@ typedef struct
 #define SHT_MIPS_EH_REGION	0x70000027
 #define SHT_MIPS_XLATE_OLD	0x70000028
 #define SHT_MIPS_PDR_EXCEPTION	0x70000029
+#define SHT_MIPS_XHASH		0x7000002b
 
 /* Legal values for sh_flags field of Elf32_Shdr.  */
 
@@ -1962,7 +1963,9 @@ typedef struct
    in a PIE as it stores a relative offset from the address of the tag
    rather than an absolute address.  */
 #define DT_MIPS_RLD_MAP_REL  0x70000035
-#define DT_MIPS_NUM	     0x36
+/* GNU-style hash table with xlat.  */
+#define DT_MIPS_XHASH	     0x70000036
+#define DT_MIPS_NUM	     0x37
 
 /* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry.  */
 
diff --git a/lib/libc/glibc/fns.txt b/lib/libc/glibc/fns.txt
index 028892f3ea7a9e0098c461c725cb383a22bf4eee..32dc37ce17c9d7a1ecc6514929f27b1facfdd92d 100644
--- a/lib/libc/glibc/fns.txt
+++ b/lib/libc/glibc/fns.txt
@@ -2734,6 +2734,7 @@ pthread_barrierattr_getpshared pthread
 pthread_barrierattr_init pthread
 pthread_barrierattr_setpshared pthread
 pthread_cancel pthread
+pthread_clockjoin_np pthread
 pthread_cond_broadcast c
 pthread_cond_clockwait pthread
 pthread_cond_destroy c
diff --git a/lib/libc/glibc/include/bits/endian.h b/lib/libc/glibc/include/bits/endian.h
new file mode 100644
index 0000000000000000000000000000000000000000..ad614f1c1ac31a4b53441cf1d91aeb9e1976c9a9
--- /dev/null
+++ b/lib/libc/glibc/include/bits/endian.h
@@ -0,0 +1 @@
+#include <string/bits/endian.h>
diff --git a/lib/libc/glibc/include/features.h b/lib/libc/glibc/include/features.h
index bf47d881ddd3d61013ba89b80ed47e70a3c26cbb..b6ff1e9b7b8d44d185cfda0efef4d66281f1815f 100644
--- a/lib/libc/glibc/include/features.h
+++ b/lib/libc/glibc/include/features.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FEATURES_H
 #define	_FEATURES_H	1
@@ -24,6 +24,7 @@
    __STRICT_ANSI__	ISO Standard C.
    _ISOC99_SOURCE	Extensions to ISO C89 from ISO C99.
    _ISOC11_SOURCE	Extensions to ISO C99 from ISO C11.
+   _ISOC2X_SOURCE	Extensions to ISO C99 from ISO C2X.
    __STDC_WANT_LIB_EXT2__
 			Extensions to ISO C99 from TR 27431-2:2010.
    __STDC_WANT_IEC_60559_BFP_EXT__
@@ -139,6 +140,7 @@
 #undef	__USE_GNU
 #undef	__USE_FORTIFY_LEVEL
 #undef	__KERNEL_STRICT_NAMES
+#undef	__GLIBC_USE_ISOC2X
 #undef	__GLIBC_USE_DEPRECATED_GETS
 #undef	__GLIBC_USE_DEPRECATED_SCANF
 
@@ -195,6 +197,8 @@
 # define _ISOC99_SOURCE	1
 # undef  _ISOC11_SOURCE
 # define _ISOC11_SOURCE	1
+# undef  _ISOC2X_SOURCE
+# define _ISOC2X_SOURCE	1
 # undef  _POSIX_SOURCE
 # define _POSIX_SOURCE	1
 # undef  _POSIX_C_SOURCE
@@ -216,26 +220,37 @@
 #if (defined _DEFAULT_SOURCE					\
      || (!defined __STRICT_ANSI__				\
 	 && !defined _ISOC99_SOURCE && !defined _ISOC11_SOURCE	\
+	 && !defined _ISOC2X_SOURCE				\
 	 && !defined _POSIX_SOURCE && !defined _POSIX_C_SOURCE	\
 	 && !defined _XOPEN_SOURCE))
 # undef  _DEFAULT_SOURCE
 # define _DEFAULT_SOURCE	1
 #endif
 
+/* This is to enable the ISO C2X extension.  */
+#if (defined _ISOC2X_SOURCE \
+     || (defined __STDC_VERSION__ && __STDC_VERSION__ > 201710L))
+# define __GLIBC_USE_ISOC2X	1
+#else
+# define __GLIBC_USE_ISOC2X	0
+#endif
+
 /* This is to enable the ISO C11 extension.  */
-#if (defined _ISOC11_SOURCE \
+#if (defined _ISOC11_SOURCE || defined _ISOC2X_SOURCE \
      || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 201112L))
 # define __USE_ISOC11	1
 #endif
 
 /* This is to enable the ISO C99 extension.  */
-#if (defined _ISOC99_SOURCE || defined _ISOC11_SOURCE \
+#if (defined _ISOC99_SOURCE || defined _ISOC11_SOURCE			\
+     || defined _ISOC2X_SOURCE						\
      || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L))
 # define __USE_ISOC99	1
 #endif
 
 /* This is to enable the ISO C90 Amendment 1:1995 extension.  */
-#if (defined _ISOC99_SOURCE || defined _ISOC11_SOURCE \
+#if (defined _ISOC99_SOURCE || defined _ISOC11_SOURCE			\
+     || defined _ISOC2X_SOURCE						\
      || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199409L))
 # define __USE_ISOC95	1
 #endif
@@ -439,7 +454,7 @@
 /* Major and minor version number of the GNU C library package.  Use
    these macros to test for features in specific releases.  */
 #define	__GLIBC__	2
-#define	__GLIBC_MINOR__	30
+#define	__GLIBC_MINOR__	31
 
 #define __GLIBC_PREREQ(maj, min) \
 	((__GLIBC__ << 16) + __GLIBC_MINOR__ >= ((maj) << 16) + (min))
diff --git a/lib/libc/glibc/include/libc-pointer-arith.h b/lib/libc/glibc/include/libc-pointer-arith.h
index c5390a9be43e52b75072175ce924422fedbb851b..b4d716c727f9b4296d441dda5f41a4bd7a2fd4b5 100644
--- a/lib/libc/glibc/include/libc-pointer-arith.h
+++ b/lib/libc/glibc/include/libc-pointer-arith.h
@@ -1,5 +1,5 @@
 /* Helper macros for pointer arithmetic.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LIBC_POINTER_ARITH_H
 #define _LIBC_POINTER_ARITH_H 1
diff --git a/lib/libc/glibc/include/libc-symbols.h b/lib/libc/glibc/include/libc-symbols.h
index b68ec4b7f537c26beda37dc924af4f6f189cc48f..685e20fdc0cb1f2ca7772559e524a88761c01d84 100644
--- a/lib/libc/glibc/include/libc-symbols.h
+++ b/lib/libc/glibc/include/libc-symbols.h
@@ -1,6 +1,6 @@
 /* Support macros for making weak and strong aliases for symbols,
    and for using symbol sets and linker warnings with GNU ld.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LIBC_SYMBOLS_H
 #define _LIBC_SYMBOLS_H	1
diff --git a/lib/libc/glibc/include/stap-probe.h b/lib/libc/glibc/include/stap-probe.h
index 85f41c9162fc2d0c84f40351f60ae08acd4c06e0..3c24ac640ea8274cb92a5139beb9e491081543ec 100644
--- a/lib/libc/glibc/include/stap-probe.h
+++ b/lib/libc/glibc/include/stap-probe.h
@@ -1,5 +1,5 @@
 /* Macros for defining Systemtap <sys/sdt.h> static probe points.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _STAP_PROBE_H
 #define _STAP_PROBE_H 1
diff --git a/lib/libc/glibc/include/stdc-predef.h b/lib/libc/glibc/include/stdc-predef.h
index 5cc5eef22f245ace1656df56ba67a2a15a86fd66..eaf0a6aea8151db1d13a56fe22d9ac4448526b7f 100644
--- a/lib/libc/glibc/include/stdc-predef.h
+++ b/lib/libc/glibc/include/stdc-predef.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_STDC_PREDEF_H
 #define	_STDC_PREDEF_H	1
diff --git a/lib/libc/glibc/include/stdlib.h b/lib/libc/glibc/include/stdlib.h
index 114e12d25597767675f0be53d3fb26206029d4a9..1fab78aa16c3bd9b0b8f9403f8e40501e24cfdd9 100644
--- a/lib/libc/glibc/include/stdlib.h
+++ b/lib/libc/glibc/include/stdlib.h
@@ -202,9 +202,12 @@ libc_hidden_proto (____strtoll_l_internal)
 libc_hidden_proto (____strtoul_l_internal)
 libc_hidden_proto (____strtoull_l_internal)
 
+#include <bits/floatn.h>
 libc_hidden_proto (strtof)
 libc_hidden_proto (strtod)
+#if __LONG_DOUBLE_USES_FLOAT128 == 0
 libc_hidden_proto (strtold)
+#endif
 libc_hidden_proto (strtol)
 libc_hidden_proto (strtoll)
 libc_hidden_proto (strtoul)
diff --git a/lib/libc/glibc/io/bits/statx.h b/lib/libc/glibc/io/bits/statx.h
index b3147bfa8af1818f6d007dc390a1913abcb6476b..e63e6988c2a6b908837ee1b3199ff83c56c37ae6 100644
--- a/lib/libc/glibc/io/bits/statx.h
+++ b/lib/libc/glibc/io/bits/statx.h
@@ -1,5 +1,5 @@
 /* statx-related definitions and declarations.  Generic version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This interface is based on <linux/stat.h> in Linux.  */
 
diff --git a/lib/libc/glibc/io/fstat.c b/lib/libc/glibc/io/fstat.c
index a25c10896608b3ace8b17bb7304220f551979d83..6ce077dc4ae23db8a4c184add0579ae41d3563c3 100644
--- a/lib/libc/glibc/io/fstat.c
+++ b/lib/libc/glibc/io/fstat.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,7 +30,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sys/stat.h>
 
diff --git a/lib/libc/glibc/io/fstat64.c b/lib/libc/glibc/io/fstat64.c
index 9cc796c168b6709dfb1d050907c5ff273ba9b8f7..c4dd3acd604680a20d52ec46d1c4384806bd4a15 100644
--- a/lib/libc/glibc/io/fstat64.c
+++ b/lib/libc/glibc/io/fstat64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,7 +30,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sys/stat.h>
 
diff --git a/lib/libc/glibc/io/fstatat.c b/lib/libc/glibc/io/fstatat.c
index 57786b97ac6fc08e0d2f81357353ded3453420f3..edc773487abf38b7125bff4822a280f548bf5876 100644
--- a/lib/libc/glibc/io/fstatat.c
+++ b/lib/libc/glibc/io/fstatat.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,7 +30,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sys/stat.h>
 
diff --git a/lib/libc/glibc/io/fstatat64.c b/lib/libc/glibc/io/fstatat64.c
index 602ae9ebcc4edf23910814dde58d1e02bfa8cee7..b57133bd909364e80218ea28f49de9c67e2f8ad5 100644
--- a/lib/libc/glibc/io/fstatat64.c
+++ b/lib/libc/glibc/io/fstatat64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,7 +30,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sys/stat.h>
 
diff --git a/lib/libc/glibc/io/lstat.c b/lib/libc/glibc/io/lstat.c
index 5c191376ee9f7b3f66a2fd5583904bbb754ad6d1..7134741106d7befbcfc26814d8ba5ad575f9b065 100644
--- a/lib/libc/glibc/io/lstat.c
+++ b/lib/libc/glibc/io/lstat.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,7 +30,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sys/stat.h>
 
diff --git a/lib/libc/glibc/io/lstat64.c b/lib/libc/glibc/io/lstat64.c
index 52591eea92fc7689f21bcce746e25089dd8a3cef..a890da71a853f24f049bc34cd0b78fd57ce07a93 100644
--- a/lib/libc/glibc/io/lstat64.c
+++ b/lib/libc/glibc/io/lstat64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,7 +30,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sys/stat.h>
 
diff --git a/lib/libc/glibc/io/mknod.c b/lib/libc/glibc/io/mknod.c
index ca86d74e99f7eaf2ca0aeb4f711f82a564d27d19..ac968292303dc8e1fae15bf7a16ef480b7bbf66c 100644
--- a/lib/libc/glibc/io/mknod.c
+++ b/lib/libc/glibc/io/mknod.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,7 +30,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 
 #include <sys/types.h>
diff --git a/lib/libc/glibc/io/mknodat.c b/lib/libc/glibc/io/mknodat.c
index dfe5935aa1ddafbb870464ee74788540a6220354..65c9f1aa9c2d69e49de27db04642ba446654a3a3 100644
--- a/lib/libc/glibc/io/mknodat.c
+++ b/lib/libc/glibc/io/mknodat.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,7 +30,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 
 #include <sys/types.h>
diff --git a/lib/libc/glibc/io/stat.c b/lib/libc/glibc/io/stat.c
index bb59add17a8c5af162042b9bdb111620b44f04b6..8c3cd877c8c37679f10b77f65fca11826717d285 100644
--- a/lib/libc/glibc/io/stat.c
+++ b/lib/libc/glibc/io/stat.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,7 +30,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sys/stat.h>
 
diff --git a/lib/libc/glibc/io/stat64.c b/lib/libc/glibc/io/stat64.c
index 1a0058229408ed1da36d52ffb5f51e4f3b7d9741..8b6b662f3ac4f69357ae6ffbf6d9692b4c646170 100644
--- a/lib/libc/glibc/io/stat64.c
+++ b/lib/libc/glibc/io/stat64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,7 +30,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sys/stat.h>
 
diff --git a/lib/libc/glibc/io/sys/stat.h b/lib/libc/glibc/io/sys/stat.h
index 2de5eb65d9c21027cbbade541456ac396764d067..ce014d03a588ef5e2064b25594c69b9746c37976 100644
--- a/lib/libc/glibc/io/sys/stat.h
+++ b/lib/libc/glibc/io/sys/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 5.6 File Characteristics	<sys/stat.h>
diff --git a/lib/libc/glibc/locale/bits/types/__locale_t.h b/lib/libc/glibc/locale/bits/types/__locale_t.h
index 028dd05d0ec954559a79cc5162351aae6dc7b24f..53e9a9c41d4cfb762a675997620bb0604342ac37 100644
--- a/lib/libc/glibc/locale/bits/types/__locale_t.h
+++ b/lib/libc/glibc/locale/bits/types/__locale_t.h
@@ -1,5 +1,5 @@
 /* Definition of struct __locale_struct and __locale_t.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES___LOCALE_T_H
 #define _BITS_TYPES___LOCALE_T_H 1
diff --git a/lib/libc/glibc/locale/bits/types/locale_t.h b/lib/libc/glibc/locale/bits/types/locale_t.h
index fb1e14e84bbf4d5b7c0c5b52c13133ae84371f3c..6156631d7535d82ef12a63975c62df75c82d6b76 100644
--- a/lib/libc/glibc/locale/bits/types/locale_t.h
+++ b/lib/libc/glibc/locale/bits/types/locale_t.h
@@ -1,5 +1,5 @@
 /* Definition of locale_t.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_LOCALE_T_H
 #define _BITS_TYPES_LOCALE_T_H 1
diff --git a/lib/libc/glibc/misc/sys/cdefs.h b/lib/libc/glibc/misc/sys/cdefs.h
index f1bd994a104c52442a20b6db90add12637e915d8..ff7144f3f3aa7e9856c82f4b4325b664959c5e68 100644
--- a/lib/libc/glibc/misc/sys/cdefs.h
+++ b/lib/libc/glibc/misc/sys/cdefs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_CDEFS_H
 #define	_SYS_CDEFS_H	1
@@ -412,14 +412,6 @@
 # define __glibc_has_attribute(attr)	0
 #endif
 
-#ifdef __has_include
-/* Do not use a function-like macro, so that __has_include can inhibit
-   macro expansion.  */
-# define __glibc_has_include __has_include
-#else
-# define __glibc_has_include(header)	0
-#endif
-
 #if (!defined _Noreturn \
      && (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) < 201112 \
      &&  !__GNUC_PREREQ (4,7))
diff --git a/lib/libc/glibc/misc/sys/select.h b/lib/libc/glibc/misc/sys/select.h
index 8b10702bdce8c570bbeafea21b645ccdd22205b7..29d011c2d57d166f766b7120962a93f69a99cdb7 100644
--- a/lib/libc/glibc/misc/sys/select.h
+++ b/lib/libc/glibc/misc/sys/select.h
@@ -1,5 +1,5 @@
 /* `fd_set' type and related macros, and `select'/`pselect' declarations.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*	POSIX 1003.1g: 6.2 Select from File Descriptor Sets <sys/select.h>  */
 
diff --git a/lib/libc/glibc/nptl/pthread_atfork.c b/lib/libc/glibc/nptl/pthread_atfork.c
index 70a2273513afb992677e041a6f5474c623dc6822..bfb4af9053e5f0fedc842e9f4a016184f3fd7208 100644
--- a/lib/libc/glibc/nptl/pthread_atfork.c
+++ b/lib/libc/glibc/nptl/pthread_atfork.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -31,18 +31,17 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 extern int __pthread_atfork (void (*prepare) (void), void (*parent) (void),
-			     void (*child) (void));
+                            void (*child) (void));
 extern int __register_atfork (void (*__prepare) (void),
-			      void (*__parent) (void),
-			      void (*__child) (void),
-			      void *dso_handle);
+                             void (*__parent) (void),
+                             void (*__child) (void),
+                             void *dso_handle);
 libc_hidden_proto (__register_atfork)
 extern void *__dso_handle __attribute__ ((__visibility__ ("hidden")));
 
-
 /* Hide the symbol so that no definition but the one locally in the
    executable or DSO is used.  */
 int
diff --git a/lib/libc/glibc/posix/bits/cpu-set.h b/lib/libc/glibc/posix/bits/cpu-set.h
index b0bfe7963aa579c2ea2544c255e76a57980a1a71..427a59975f81cf7a1c63833a3f008d84b81397a6 100644
--- a/lib/libc/glibc/posix/bits/cpu-set.h
+++ b/lib/libc/glibc/posix/bits/cpu-set.h
@@ -1,6 +1,6 @@
 /* Definition of the cpu_set_t structure used by the POSIX 1003.1b-1993
    scheduling interface.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_CPU_SET_H
 #define _BITS_CPU_SET_H 1
diff --git a/lib/libc/glibc/posix/bits/types.h b/lib/libc/glibc/posix/bits/types.h
index cb737caff0a21d5aa85eb208411f6fa4046bd40e..adba926b45470fdc96ee922047213f1c8b210eeb 100644
--- a/lib/libc/glibc/posix/bits/types.h
+++ b/lib/libc/glibc/posix/bits/types.h
@@ -1,5 +1,5 @@
 /* bits/types.h -- definitions of __*_t types underlying *_t types.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Never include this file directly; use <sys/types.h> instead.
diff --git a/lib/libc/glibc/posix/sys/types.h b/lib/libc/glibc/posix/sys/types.h
index 0e37b1ce6a400f43515f7d485dc9305c8c59ac97..c9241e40b4d71ed09ae8c1995da449014afd4fbe 100644
--- a/lib/libc/glibc/posix/sys/types.h
+++ b/lib/libc/glibc/posix/sys/types.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 2.6 Primitive System Data Types	<sys/types.h>
diff --git a/lib/libc/glibc/signal/signal.h b/lib/libc/glibc/signal/signal.h
index 4c0de7f6ce7563eed92a844fdb58bd65140583d5..40825e95ecbd895f617744365b44c3b13766f6c7 100644
--- a/lib/libc/glibc/signal/signal.h
+++ b/lib/libc/glibc/signal/signal.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.14 Signal handling <signal.h>
diff --git a/lib/libc/glibc/stdlib/alloca.h b/lib/libc/glibc/stdlib/alloca.h
index ff8590135790778579aa6fd3972a39d28745a0c6..bd44688720840981438ff74d5734836c32f37b0f 100644
--- a/lib/libc/glibc/stdlib/alloca.h
+++ b/lib/libc/glibc/stdlib/alloca.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_ALLOCA_H
 #define	_ALLOCA_H	1
diff --git a/lib/libc/glibc/stdlib/at_quick_exit.c b/lib/libc/glibc/stdlib/at_quick_exit.c
index 6b89428f30db69e7c70453bd21cf40a86d06bec1..5176f5e5fdd5d1dc8841a4501b22161df092b83d 100644
--- a/lib/libc/glibc/stdlib/at_quick_exit.c
+++ b/lib/libc/glibc/stdlib/at_quick_exit.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,7 +30,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 extern void *__dso_handle __attribute__ ((__visibility__ ("hidden")));
 extern int __cxa_at_quick_exit (void (*func) (void *), void *d);
diff --git a/lib/libc/glibc/stdlib/atexit.c b/lib/libc/glibc/stdlib/atexit.c
index fcfab843ef779d1911bed267f7dd26a33964d18a..181101de3835fb1d0f8ca4d7653d2dc6523405e9 100644
--- a/lib/libc/glibc/stdlib/atexit.c
+++ b/lib/libc/glibc/stdlib/atexit.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,7 +30,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 extern int __cxa_atexit (void (*func) (void *), void *arg, void *d);
 libc_hidden_proto (__cxa_atexit);
diff --git a/lib/libc/glibc/stdlib/bits/stdlib-float.h b/lib/libc/glibc/stdlib/bits/stdlib-float.h
index b6f4877cf6f8dcc68dd6ea5755f80c66b7781a3e..4a414ae66ce219b7b24631230420a1fe5304f504 100644
--- a/lib/libc/glibc/stdlib/bits/stdlib-float.h
+++ b/lib/libc/glibc/stdlib/bits/stdlib-float.h
@@ -1,5 +1,5 @@
 /* Floating-point inline functions for stdlib.h.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _STDLIB_H
 # error "Never use <bits/stdlib-float.h> directly; include <stdlib.h> instead."
diff --git a/lib/libc/glibc/stdlib/exit.h b/lib/libc/glibc/stdlib/exit.h
index 6fab49c94fc66005286ecb5bd9803b4a8d2201d8..601082814892eb5130ff284b439e58807f96c761 100644
--- a/lib/libc/glibc/stdlib/exit.h
+++ b/lib/libc/glibc/stdlib/exit.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_EXIT_H
 #define _EXIT_H 1
diff --git a/lib/libc/glibc/stdlib/stdlib.h b/lib/libc/glibc/stdlib/stdlib.h
index a9fd989d3987f1901f4a6f607c7a2dd9b83b550d..e3470631e18355a153bb082b50d5b334c2ee70c3 100644
--- a/lib/libc/glibc/stdlib/stdlib.h
+++ b/lib/libc/glibc/stdlib/stdlib.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.20 General utilities	<stdlib.h>
@@ -208,7 +208,7 @@ extern unsigned long long int strtoull (const char *__restrict __nptr,
 #endif /* ISO C99 or use MISC.  */
 
 /* Convert a floating-point number to a string.  */
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 extern int strfromd (char *__dest, size_t __size, const char *__format,
 		     double __f)
      __THROW __nonnull ((3));
diff --git a/lib/libc/glibc/string/bits/endian.h b/lib/libc/glibc/string/bits/endian.h
new file mode 100644
index 0000000000000000000000000000000000000000..1892b999d1b95ae9a0025c33f35cfd3f136737d8
--- /dev/null
+++ b/lib/libc/glibc/string/bits/endian.h
@@ -0,0 +1,49 @@
+/* Endian macros for string.h functions
+   Copyright (C) 1992-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_ENDIAN_H
+#define _BITS_ENDIAN_H 1
+
+/* Definitions for byte order, according to significance of bytes,
+   from low addresses to high addresses.  The value is what you get by
+   putting '4' in the most significant byte, '3' in the second most
+   significant byte, '2' in the second least significant byte, and '1'
+   in the least significant byte, and then writing down one digit for
+   each byte, starting with the byte at the lowest address at the left,
+   and proceeding to the byte with the highest address at the right.  */
+
+#define	__LITTLE_ENDIAN	1234
+#define	__BIG_ENDIAN	4321
+#define	__PDP_ENDIAN	3412
+
+/* This file defines `__BYTE_ORDER' for the particular machine.  */
+#include <bits/endianness.h>
+
+/* Some machines may need to use a different endianness for floating point
+   values.  */
+#ifndef __FLOAT_WORD_ORDER
+# define __FLOAT_WORD_ORDER __BYTE_ORDER
+#endif
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __LONG_LONG_PAIR(HI, LO) LO, HI
+#elif __BYTE_ORDER == __BIG_ENDIAN
+# define __LONG_LONG_PAIR(HI, LO) HI, LO
+#endif
+
+#endif /* bits/endian.h */
diff --git a/lib/libc/glibc/string/endian.h b/lib/libc/glibc/string/endian.h
index e62b7356256f91715a9a31b5887d2b47b95b23e3..0256ee444604aa6d160d82cc4df88e6dc0a337a1 100644
--- a/lib/libc/glibc/string/endian.h
+++ b/lib/libc/glibc/string/endian.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,48 +13,23 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_ENDIAN_H
 #define	_ENDIAN_H	1
 
 #include <features.h>
 
-/* Definitions for byte order, according to significance of bytes,
-   from low addresses to high addresses.  The value is what you get by
-   putting '4' in the most significant byte, '3' in the second most
-   significant byte, '2' in the second least significant byte, and '1'
-   in the least significant byte, and then writing down one digit for
-   each byte, starting with the byte at the lowest address at the left,
-   and proceeding to the byte with the highest address at the right.  */
-
-#define	__LITTLE_ENDIAN	1234
-#define	__BIG_ENDIAN	4321
-#define	__PDP_ENDIAN	3412
-
-/* This file defines `__BYTE_ORDER' for the particular machine.  */
+/* Get the definitions of __*_ENDIAN, __BYTE_ORDER, and __FLOAT_WORD_ORDER.  */
 #include <bits/endian.h>
 
-/* Some machines may need to use a different endianness for floating point
-   values.  */
-#ifndef __FLOAT_WORD_ORDER
-# define __FLOAT_WORD_ORDER __BYTE_ORDER
-#endif
-
-#ifdef	__USE_MISC
+#ifdef __USE_MISC
 # define LITTLE_ENDIAN	__LITTLE_ENDIAN
 # define BIG_ENDIAN	__BIG_ENDIAN
 # define PDP_ENDIAN	__PDP_ENDIAN
 # define BYTE_ORDER	__BYTE_ORDER
 #endif
 
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-# define __LONG_LONG_PAIR(HI, LO) LO, HI
-#elif __BYTE_ORDER == __BIG_ENDIAN
-# define __LONG_LONG_PAIR(HI, LO) HI, LO
-#endif
-
-
 #if defined __USE_MISC && !defined __ASSEMBLER__
 /* Conversion interfaces.  */
 # include <bits/byteswap.h>
diff --git a/lib/libc/glibc/sysdeps/aarch64/bits/endian.h b/lib/libc/glibc/sysdeps/aarch64/bits/endian.h
deleted file mode 100644
index c0a40e082aece0d1ef83be3f072876d6c8c9f9a2..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/aarch64/bits/endian.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
-
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public License as
-   published by the Free Software Foundation; either version 2.1 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-/* AArch64 can be either big or little endian.  */
-#ifdef __AARCH64EB__
-# define __BYTE_ORDER __BIG_ENDIAN
-#else
-# define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
-
-#define __FLOAT_WORD_ORDER __BYTE_ORDER
diff --git a/lib/libc/glibc/sysdeps/aarch64/bits/endianness.h b/lib/libc/glibc/sysdeps/aarch64/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..300ebc8f9ca2c253c7543a659a55f9df96a8eb2c
--- /dev/null
+++ b/lib/libc/glibc/sysdeps/aarch64/bits/endianness.h
@@ -0,0 +1,15 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* AArch64 has selectable endianness.  */
+#ifdef __AARCH64EB__
+# define __BYTE_ORDER __BIG_ENDIAN
+#else
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
diff --git a/lib/libc/glibc/sysdeps/aarch64/crti.S b/lib/libc/glibc/sysdeps/aarch64/crti.S
index d4e7dfcf5cf48172a47d768f3a61e11119f18d16..1728eac37aa1ed5453da37136bac2a3684ae44ce 100644
--- a/lib/libc/glibc/sysdeps/aarch64/crti.S
+++ b/lib/libc/glibc/sysdeps/aarch64/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for AArch64.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -32,7 +32,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/aarch64/crtn.S b/lib/libc/glibc/sysdeps/aarch64/crtn.S
index 363f752460f83fe35ecf8c1ca14d04b73336ec46..c3e97cc449d7012f8de12707de88fa09546a6a07 100644
--- a/lib/libc/glibc/sysdeps/aarch64/crtn.S
+++ b/lib/libc/glibc/sysdeps/aarch64/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for AArch64.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -32,7 +32,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/aarch64/dl-sysdep.h b/lib/libc/glibc/sysdeps/aarch64/dl-sysdep.h
index 0db7125fbedd7a9a0a1a1728a7c32fe33dd7ec39..a4403d5f0db9a89e2d56ab1086bbae68cca373fa 100644
--- a/lib/libc/glibc/sysdeps/aarch64/dl-sysdep.h
+++ b/lib/libc/glibc/sysdeps/aarch64/dl-sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include_next <dl-sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h b/lib/libc/glibc/sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h
index 8a2a5155db0ca8655f2bb4dbc60b6556f3a08662..b0816653d64ea5cf0de17cd33490dd4a5dd56581 100644
--- a/lib/libc/glibc/sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h
+++ b/lib/libc/glibc/sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,12 +14,12 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_ARCH_H
 #define _BITS_PTHREADTYPES_ARCH_H	1
 
-#include <endian.h>
+#include <bits/endian.h>
 
 #ifdef __ILP32__
 # define __SIZEOF_PTHREAD_ATTR_T        32
@@ -41,31 +41,7 @@
 #define __SIZEOF_PTHREAD_COND_T         48
 #define __SIZEOF_PTHREAD_RWLOCKATTR_T	8
 
-/* Definitions for internal mutex struct.  */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION	0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  0
-#define __PTHREAD_MUTEX_USE_UNION          0
-
 #define __LOCK_ALIGNMENT
 #define __ONCE_ALIGNMENT
 
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-  int __cur_writer;
-  int __shared;
-  unsigned long int __pad1;
-  unsigned long int __pad2;
-  unsigned int __flags;
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-
 #endif	/* bits/pthreadtypes.h */
diff --git a/lib/libc/glibc/sysdeps/aarch64/start.S b/lib/libc/glibc/sysdeps/aarch64/start.S
index f5e9b9c2238874a76963bfcb7f2c93c3b6a16516..d96cf57e2da901bc21e69bf5a87ed034820453f0 100644
--- a/lib/libc/glibc/sysdeps/aarch64/start.S
+++ b/lib/libc/glibc/sysdeps/aarch64/start.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/aarch64/sysdep.h b/lib/libc/glibc/sysdeps/aarch64/sysdep.h
index d3ff68589597cd58297a8630c9f9d45fb741988d..604c48917059e770b146fd85b0c18c67fbf138e6 100644
--- a/lib/libc/glibc/sysdeps/aarch64/sysdep.h
+++ b/lib/libc/glibc/sysdeps/aarch64/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _AARCH64_SYSDEP_H
 #define _AARCH64_SYSDEP_H
diff --git a/lib/libc/glibc/sysdeps/alpha/bits/endian.h b/lib/libc/glibc/sysdeps/alpha/bits/endian.h
deleted file mode 100644
index 8a16e14e24e2377bf7e59725adb41e24858cca37..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/alpha/bits/endian.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* Alpha is little-endian.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/lib/libc/glibc/sysdeps/alpha/bits/endianness.h b/lib/libc/glibc/sysdeps/alpha/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..69f9a147f68412c41230b3864fa7c663dbf0cd9d
--- /dev/null
+++ b/lib/libc/glibc/sysdeps/alpha/bits/endianness.h
@@ -0,0 +1,11 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* Alpha is little-endian.  */
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+#endif /* bits/endianness.h */
diff --git a/lib/libc/glibc/sysdeps/alpha/crti.S b/lib/libc/glibc/sysdeps/alpha/crti.S
index 05b62a147de575d2c4b3db1ba5fe295663eaf210..da47441d101aa780a706719d23bb69064a2716c9 100644
--- a/lib/libc/glibc/sysdeps/alpha/crti.S
+++ b/lib/libc/glibc/sysdeps/alpha/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for Alpha.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/alpha/crtn.S b/lib/libc/glibc/sysdeps/alpha/crtn.S
index cdb4d1c54d3cfd9522cefb8f17097c2fab38b51d..eda2394bd293889b7a2ccc525f33c576cc57f13a 100644
--- a/lib/libc/glibc/sysdeps/alpha/crtn.S
+++ b/lib/libc/glibc/sysdeps/alpha/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for Alpha.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/alpha/dl-sysdep.h b/lib/libc/glibc/sysdeps/alpha/dl-sysdep.h
index f8c0029002ce879b86f8507e1d6a60a7e849e89f..2d3edc7998354b02a5fdce6f7386bf80324b48c9 100644
--- a/lib/libc/glibc/sysdeps/alpha/dl-sysdep.h
+++ b/lib/libc/glibc/sysdeps/alpha/dl-sysdep.h
@@ -1,5 +1,5 @@
 /* System-specific settings for dynamic linker code.  Alpha version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include_next <dl-sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/alpha/start.S b/lib/libc/glibc/sysdeps/alpha/start.S
index 85e41560103cb3492d872bcee7232707ef7392b6..a59898c4c0090b2a915a62832e0760f8103f08d9 100644
--- a/lib/libc/glibc/sysdeps/alpha/start.S
+++ b/lib/libc/glibc/sysdeps/alpha/start.S
@@ -1,5 +1,5 @@
 /* Startup code for Alpha/ELF.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson <rth@tamu.edu>
 
@@ -32,7 +32,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/arm/bits/endian.h b/lib/libc/glibc/sysdeps/arm/bits/endian.h
deleted file mode 100644
index f49f6ab1c9b3a108fad08e80063cb534ae79b049..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/arm/bits/endian.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-/* ARM can be either big or little endian.  */
-#ifdef __ARMEB__
-#define __BYTE_ORDER __BIG_ENDIAN
-#else
-#define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
diff --git a/lib/libc/glibc/sysdeps/arm/bits/endianness.h b/lib/libc/glibc/sysdeps/arm/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..2d671fff661e1546fd1cf3ac32df72c82b947ab3
--- /dev/null
+++ b/lib/libc/glibc/sysdeps/arm/bits/endianness.h
@@ -0,0 +1,15 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* ARM has selectable endianness.  */
+#ifdef __ARMEB__
+#define __BYTE_ORDER __BIG_ENDIAN
+#else
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
diff --git a/lib/libc/glibc/sysdeps/arm/crti.S b/lib/libc/glibc/sysdeps/arm/crti.S
index 26dbba66a35ae2d77c368ebb4b2a565fc3ec2f56..816978326709a544eecbb487fbe4be4389f03be6 100644
--- a/lib/libc/glibc/sysdeps/arm/crti.S
+++ b/lib/libc/glibc/sysdeps/arm/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for ARM.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/arm/crtn.S b/lib/libc/glibc/sysdeps/arm/crtn.S
index 8f91c8d88be636dd665f151242bfbc971400ae83..d60f9f05ded26bfec0f22154a12492e78382ea52 100644
--- a/lib/libc/glibc/sysdeps/arm/crtn.S
+++ b/lib/libc/glibc/sysdeps/arm/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for ARM.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Always build .init and .fini sections in ARM mode.  */
 #define NO_THUMB
diff --git a/lib/libc/glibc/sysdeps/arm/dl-sysdep.h b/lib/libc/glibc/sysdeps/arm/dl-sysdep.h
index 0cdb5efb0776f8153968bcde303875f49f1dc809..6acfd62f0181e05d5f366fd0422d002d31192ba4 100644
--- a/lib/libc/glibc/sysdeps/arm/dl-sysdep.h
+++ b/lib/libc/glibc/sysdeps/arm/dl-sysdep.h
@@ -1,5 +1,5 @@
 /* System-specific settings for dynamic linker code.  Alpha version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include_next <dl-sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/arm/start.S b/lib/libc/glibc/sysdeps/arm/start.S
index a05f8a46513ff1ea19dfd3526ed8a852b1c76557..2ff56179d2f9b20249057fc02835fa3af6823590 100644
--- a/lib/libc/glibc/sysdeps/arm/start.S
+++ b/lib/libc/glibc/sysdeps/arm/start.S
@@ -1,5 +1,5 @@
 /* Startup code for ARM & ELF
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This is the canonical entry point, usually the first thing in the text
    segment.
diff --git a/lib/libc/glibc/sysdeps/arm/sysdep.h b/lib/libc/glibc/sysdeps/arm/sysdep.h
index b283ce960047f0aaf4cb40db78eb88a341827832..5fff50dbfaad5fb43a26615da7b956d4b0853268 100644
--- a/lib/libc/glibc/sysdeps/arm/sysdep.h
+++ b/lib/libc/glibc/sysdeps/arm/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for ARM.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/generic/sysdep.h>
 #include <features.h>
diff --git a/lib/libc/glibc/sysdeps/generic/dl-dtprocnum.h b/lib/libc/glibc/sysdeps/generic/dl-dtprocnum.h
index 086b40531010a1097ca280b5057ffc3cf05553a6..27fc351f4faa83c07528d9f5eeee5688c8448ed3 100644
--- a/lib/libc/glibc/sysdeps/generic/dl-dtprocnum.h
+++ b/lib/libc/glibc/sysdeps/generic/dl-dtprocnum.h
@@ -1,5 +1,5 @@
 /* Configuration of lookup functions.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Number of extra dynamic section entries for this architecture.  By
    default there are none.  */
diff --git a/lib/libc/glibc/sysdeps/generic/dl-sysdep.h b/lib/libc/glibc/sysdeps/generic/dl-sysdep.h
index 34fbffe22ddefd353071869ed4bb18105b1e906f..d9e998dfc0de0ee19c2b993c9b796cb9a09b8be9 100644
--- a/lib/libc/glibc/sysdeps/generic/dl-sysdep.h
+++ b/lib/libc/glibc/sysdeps/generic/dl-sysdep.h
@@ -1,5 +1,5 @@
 /* System-specific settings for dynamic linker code.  Generic version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* No multiple inclusion protection need here because it's just macros.
    We don't want to use _DL_SYSDEP_H in case we are #include_next'd.  */
diff --git a/lib/libc/glibc/sysdeps/generic/dwarf2.h b/lib/libc/glibc/sysdeps/generic/dwarf2.h
index 79f2c1c09b3e715d162a6af204679791dce44185..4c7de0d873760b178a5425fe984cfb4cf5ad96ce 100644
--- a/lib/libc/glibc/sysdeps/generic/dwarf2.h
+++ b/lib/libc/glibc/sysdeps/generic/dwarf2.h
@@ -1,6 +1,6 @@
 /* Declarations and definitions of codes relating to the DWARF2 symbolic
    debugging information format.
-   Copyright (C) 1992-2019 Free Software Foundation, Inc.
+   Copyright (C) 1992-2020 Free Software Foundation, Inc.
    Contributed by Gary Funck (gary@intrepid.com).  Derived from the
    DWARF 1 implementation written by Ron Guilmette (rfg@monkeys.com).
 
@@ -18,7 +18,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _DWARF2_H
 #define _DWARF2_H	1
diff --git a/lib/libc/glibc/sysdeps/generic/libc-lock.h b/lib/libc/glibc/sysdeps/generic/libc-lock.h
index 9752ba1b6fdad2a416a1161ea8c60060dfc49cf6..7f184f942d4ccecba031b79b120a8d9058883399 100644
--- a/lib/libc/glibc/sysdeps/generic/libc-lock.h
+++ b/lib/libc/glibc/sysdeps/generic/libc-lock.h
@@ -1,5 +1,5 @@
 /* libc-internal interface for mutex locks.  Stub version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LIBC_LOCK_H
 #define _LIBC_LOCK_H 1
diff --git a/lib/libc/glibc/sysdeps/generic/single-thread.h b/lib/libc/glibc/sysdeps/generic/single-thread.h
index 0a1520ec49566a97948ae976ef07a9b3ca58aa10..41673c0e069cd0b27eb58a6467793b42844e29a3 100644
--- a/lib/libc/glibc/sysdeps/generic/single-thread.h
+++ b/lib/libc/glibc/sysdeps/generic/single-thread.h
@@ -1,5 +1,5 @@
 /* Single thread optimization, generic version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,11 +14,12 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SINGLE_THREAD_H
 #define _SINGLE_THREAD_H
 
 #define SINGLE_THREAD_P (0)
+#define RTLD_SINGLE_THREAD_P (0)
 
 #endif /* _SINGLE_THREAD_H  */
diff --git a/lib/libc/glibc/sysdeps/generic/sysdep.h b/lib/libc/glibc/sysdeps/generic/sysdep.h
index 6580929669abfb2fa9fca61eea22d645af4f8e1f..278809211223408de80278c1a98c2c3261ef1f0b 100644
--- a/lib/libc/glibc/sysdeps/generic/sysdep.h
+++ b/lib/libc/glibc/sysdeps/generic/sysdep.h
@@ -1,5 +1,5 @@
 /* Generic asm macros used on many machines.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef C_LABEL
 
diff --git a/lib/libc/glibc/sysdeps/generic/tls.h b/lib/libc/glibc/sysdeps/generic/tls.h
index 270adef3e15b458fc5c5ed9951395c7f1cfc254f..646427ff746ccecc6b87456f08bab7fdb9bcc276 100644
--- a/lib/libc/glibc/sysdeps/generic/tls.h
+++ b/lib/libc/glibc/sysdeps/generic/tls.h
@@ -1,5 +1,5 @@
 /* Definition for thread-local data handling.  Generic version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* An architecture-specific version of this file has to defined a
    number of symbols:
diff --git a/lib/libc/glibc/sysdeps/hppa/bits/endian.h b/lib/libc/glibc/sysdeps/hppa/bits/endian.h
deleted file mode 100644
index 585db0c0faade91ad57f9e6de2e419ab91653481..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/hppa/bits/endian.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* hppa1.1 big-endian.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/lib/libc/glibc/sysdeps/hppa/bits/endianness.h b/lib/libc/glibc/sysdeps/hppa/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..96fd5ae5efb175eb87617277a3076c559968e510
--- /dev/null
+++ b/lib/libc/glibc/sysdeps/hppa/bits/endianness.h
@@ -0,0 +1,11 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* HP-PA is big-endian.  */
+#define __BYTE_ORDER __BIG_ENDIAN
+
+#endif /* bits/endianness.h */
diff --git a/lib/libc/glibc/sysdeps/hppa/crti.S b/lib/libc/glibc/sysdeps/hppa/crti.S
index 8daa5865b395598664db1f56532ed428c459ab2b..b3b0c38e524f0fc4a6bcabc57af81bc936af7b9a 100644
--- a/lib/libc/glibc/sysdeps/hppa/crti.S
+++ b/lib/libc/glibc/sysdeps/hppa/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for HPPA
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/hppa/crtn.S b/lib/libc/glibc/sysdeps/hppa/crtn.S
index ad00a5285f50f2a36e00816be55bb0f0cc75ae47..e2c0cba7e22b14cab4810eb97725611f42939cbf 100644
--- a/lib/libc/glibc/sysdeps/hppa/crtn.S
+++ b/lib/libc/glibc/sysdeps/hppa/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for HPPA
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/hppa/nptl/bits/pthreadtypes-arch.h b/lib/libc/glibc/sysdeps/hppa/nptl/bits/pthreadtypes-arch.h
index 5d74f631872e960473212d3c82df67738e4b6c7e..20151dc763c898c97c52cf19ad99f09232710db2 100644
--- a/lib/libc/glibc/sysdeps/hppa/nptl/bits/pthreadtypes-arch.h
+++ b/lib/libc/glibc/sysdeps/hppa/nptl/bits/pthreadtypes-arch.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_ARCH_H
 #define _BITS_PTHREADTYPES_ARCH_H	1
@@ -40,52 +40,7 @@
 #define __SIZEOF_PTHREAD_RWLOCK_T 64
 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
 
-/* The old 4-word 16-byte aligned lock. This is initalized
-   to all ones by the Linuxthreads PTHREAD_MUTEX_INITIALIZER.
-   Unused in NPTL.  */
-#define __PTHREAD_COMPAT_PADDING_MID  int __compat_padding[4];
-/* Two more words are left before the NPTL
-   pthread_mutex_t is larger than Linuxthreads.  */
-#define __PTHREAD_COMPAT_PADDING_END  int __reserved[2];
-#define __PTHREAD_MUTEX_LOCK_ELISION    0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  1
-#define __PTHREAD_MUTEX_USE_UNION          1
-
 #define __LOCK_ALIGNMENT __attribute__ ((__aligned__(16)))
 #define __ONCE_ALIGNMENT
 
-struct __pthread_rwlock_arch_t
-{
-  /* In the old Linuxthreads pthread_rwlock_t, this is the
-     start of the 4-word 16-byte aligned lock structure. The
-     next four words are all set to 1 by the Linuxthreads
-     PTHREAD_RWLOCK_INITIALIZER. We ignore them in NPTL.  */
-  int __compat_padding[4] __attribute__ ((__aligned__(16)));
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-  int __cur_writer;
-  /* An unused word, reserved for future use. It was added
-     to maintain the location of the flags from the Linuxthreads
-     layout of this structure.  */
-  int __reserved1;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __pad2;
-  unsigned char __pad1;
-  unsigned char __shared;
-  unsigned char __flags;
-  /* The NPTL pthread_rwlock_t is 4 words smaller than the
-     Linuxthreads version. One word is in the middle of the
-     structure, the other three are at the end.  */
-  int __reserved2;
-  int __reserved3;
-  int __reserved4;
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-
 #endif	/* bits/pthreadtypes.h */
diff --git a/lib/libc/glibc/sysdeps/hppa/start.S b/lib/libc/glibc/sysdeps/hppa/start.S
index 00c84494fc2fe02c16aef4c6db1139378c693047..c725f002dc9f751e8b1dd84aeea9a98cae8e27d4 100644
--- a/lib/libc/glibc/sysdeps/hppa/start.S
+++ b/lib/libc/glibc/sysdeps/hppa/start.S
@@ -1,5 +1,5 @@
 /* ELF startup code for HPPA.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 	.import main, code
 	.import $global$, data
diff --git a/lib/libc/glibc/sysdeps/hppa/sysdep.h b/lib/libc/glibc/sysdeps/hppa/sysdep.h
index a38a921f4fe1a729315c0de91cadbfe313fc0c7b..72e72bbc061b092e1d4efdcfd22bf856ffa44d7e 100644
--- a/lib/libc/glibc/sysdeps/hppa/sysdep.h
+++ b/lib/libc/glibc/sysdeps/hppa/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for HP/PA.
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper, <drepper@cygnus.com>, August 1999.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/generic/sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/htl/bits/pthread.h b/lib/libc/glibc/sysdeps/htl/bits/pthread.h
index 5ecb634d1c04a748d02e639e86ed71692f16f8cd..bedb815108649fbfe82beb1c71036fce3800dd63 100644
--- a/lib/libc/glibc/sysdeps/htl/bits/pthread.h
+++ b/lib/libc/glibc/sysdeps/htl/bits/pthread.h
@@ -1,5 +1,5 @@
 /* Pthread data structures.  Generic version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library;  if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREAD_H
 #define _BITS_PTHREAD_H	1
diff --git a/lib/libc/glibc/sysdeps/htl/bits/thread-shared-types.h b/lib/libc/glibc/sysdeps/htl/bits/thread-shared-types.h
index e5fa702f552e3b691f2c8abcdebe4585a8a30d98..c280f2e182b7ee9c3a805b5189c45b8f9cec19f9 100644
--- a/lib/libc/glibc/sysdeps/htl/bits/thread-shared-types.h
+++ b/lib/libc/glibc/sysdeps/htl/bits/thread-shared-types.h
@@ -1,5 +1,5 @@
 /* Common threading primitives definitions for both POSIX and C11.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _THREAD_SHARED_TYPES_H
 #define _THREAD_SHARED_TYPES_H 1
diff --git a/lib/libc/glibc/sysdeps/htl/libc-lockP.h b/lib/libc/glibc/sysdeps/htl/libc-lockP.h
index 85d861026954b5f4bbb86699fac8452b4c537fa7..4ba3930a13aeee48a03bc68ff3e09756e6251ff4 100644
--- a/lib/libc/glibc/sysdeps/htl/libc-lockP.h
+++ b/lib/libc/glibc/sysdeps/htl/libc-lockP.h
@@ -1,5 +1,5 @@
 /* Private libc-internal interface for mutex locks.
-   Copyright (C) 2015-2019 Free Software Foundation, Inc.
+   Copyright (C) 2015-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
+   not, see <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_LIBC_LOCKP_H
 #define _BITS_LIBC_LOCKP_H 1
@@ -112,6 +112,8 @@ extern int __pthread_rwlock_unlock (pthread_rwlock_t *__rwlock);
 extern int __pthread_key_create (pthread_key_t *__key,
 				 void (*__destr_function) (void *));
 
+extern int __pthread_key_delete (pthread_key_t __key);
+
 extern int __pthread_setspecific (pthread_key_t __key,
 				  const void *__pointer);
 
diff --git a/lib/libc/glibc/sysdeps/htl/pthread.h b/lib/libc/glibc/sysdeps/htl/pthread.h
index a8205519f2a4e0376c0f057ef07a42ebb0df297d..3216860493d7f1f0c85ae0ec5ee6ce3194aaebf7 100644
--- a/lib/libc/glibc/sysdeps/htl/pthread.h
+++ b/lib/libc/glibc/sysdeps/htl/pthread.h
@@ -1,5 +1,5 @@
 /* Posix threads.  Hurd version.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library;  if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Threads Extension: ???			<pthread.h>
diff --git a/lib/libc/glibc/sysdeps/i386/crti.S b/lib/libc/glibc/sysdeps/i386/crti.S
index 65357682a0956bbd137806796307f6680b79912c..f86ff639671f06a9e058d3e2f2a656f2a5624ab3 100644
--- a/lib/libc/glibc/sysdeps/i386/crti.S
+++ b/lib/libc/glibc/sysdeps/i386/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for x86.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/i386/crtn.S b/lib/libc/glibc/sysdeps/i386/crtn.S
index e7921af6d2f90de12100985a79fc91d9bbfae5c1..727390605af8f3c9c7ddecdc0e3f6f5b1c81f73e 100644
--- a/lib/libc/glibc/sysdeps/i386/crtn.S
+++ b/lib/libc/glibc/sysdeps/i386/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for x86.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/i386/htl/bits/pthreadtypes-arch.h b/lib/libc/glibc/sysdeps/i386/htl/bits/pthreadtypes-arch.h
index 60f524fb74f1ba4243e1bebf81a3c74d3741ba2d..17568fb53612df02a36aaa40f8f9626204bab114 100644
--- a/lib/libc/glibc/sysdeps/i386/htl/bits/pthreadtypes-arch.h
+++ b/lib/libc/glibc/sysdeps/i386/htl/bits/pthreadtypes-arch.h
@@ -1,5 +1,5 @@
 /* Machine-specific pthread type layouts.  Hurd i386 version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,9 +14,23 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_ARCH_H
 #define _BITS_PTHREADTYPES_ARCH_H	1
 
+#define __SIZEOF_PTHREAD_MUTEX_T 32
+#define __SIZEOF_PTHREAD_ATTR_T 32
+#define __SIZEOF_PTHREAD_RWLOCK_T 28
+#define __SIZEOF_PTHREAD_BARRIER_T 24
+#define __SIZEOF_PTHREAD_MUTEXATTR_T 16
+#define __SIZEOF_PTHREAD_COND_T 20
+#define __SIZEOF_PTHREAD_CONDATTR_T 8
+#define __SIZEOF_PTHREAD_RWLOCKATTR_T 4
+#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
+#define __SIZEOF_PTHREAD_ONCE_T 8
+
+#define __LOCK_ALIGNMENT
+#define __ONCE_ALIGNMENT
+
 #endif /* bits/pthreadtypes.h */
diff --git a/lib/libc/glibc/sysdeps/i386/start.S b/lib/libc/glibc/sysdeps/i386/start.S
index 202a5763f78157e68a6b0d71c51de819f228f261..c57b25f055b0b21d84fa192f7063d0d201494fe0 100644
--- a/lib/libc/glibc/sysdeps/i386/start.S
+++ b/lib/libc/glibc/sysdeps/i386/start.S
@@ -1,5 +1,5 @@
 /* Startup code compliant to the ELF i386 ABI.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This is the canonical entry point, usually the first thing in the text
    segment.  The SVR4/i386 ABI (pages 3-31, 3-32) says that when the entry
diff --git a/lib/libc/glibc/sysdeps/i386/symbol-hacks.h b/lib/libc/glibc/sysdeps/i386/symbol-hacks.h
index a55e5ea90de74ca1c30fd1b8cc09254f15f43c04..679002ba35f3fe89043141525bd6807b517aa696 100644
--- a/lib/libc/glibc/sysdeps/i386/symbol-hacks.h
+++ b/lib/libc/glibc/sysdeps/i386/symbol-hacks.h
@@ -1,5 +1,5 @@
 /* Hacks needed for symbol manipulation.  i386 version.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/wordsize-32/divdi3-symbol-hacks.h>
 
diff --git a/lib/libc/glibc/sysdeps/i386/sysdep.h b/lib/libc/glibc/sysdeps/i386/sysdep.h
index 749b55b07787f4bc4f3e426eb2f197cc2b702ca1..b4bcd8fb6c605130029bfed4fbf1ff02f48c7563 100644
--- a/lib/libc/glibc/sysdeps/i386/sysdep.h
+++ b/lib/libc/glibc/sysdeps/i386/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for i386.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/x86/sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/ia64/crti.S b/lib/libc/glibc/sysdeps/ia64/crti.S
index 05b3bc913fe6fbef87f9c1c468bde7600419f5d5..167e6533b652859fc62c5a1082b0415e71b8dc3a 100644
--- a/lib/libc/glibc/sysdeps/ia64/crti.S
+++ b/lib/libc/glibc/sysdeps/ia64/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for IA64.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/ia64/crtn.S b/lib/libc/glibc/sysdeps/ia64/crtn.S
index cd22953f0b29f24c4dc7eac0ccdad711f518888f..c99cf283a6d83692cd7e7011abf156eadaee03a8 100644
--- a/lib/libc/glibc/sysdeps/ia64/crtn.S
+++ b/lib/libc/glibc/sysdeps/ia64/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for ARM.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
 #undef ret
diff --git a/lib/libc/glibc/sysdeps/ia64/dl-dtprocnum.h b/lib/libc/glibc/sysdeps/ia64/dl-dtprocnum.h
index 17b5476c30421f48d52e3f89d312c386bd5b364e..6280720537d0fb5ab2784f9b370cd95b40de96c1 100644
--- a/lib/libc/glibc/sysdeps/ia64/dl-dtprocnum.h
+++ b/lib/libc/glibc/sysdeps/ia64/dl-dtprocnum.h
@@ -1,5 +1,5 @@
 /* Configuration of lookup functions.  IA-64 version.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Number of extra dynamic section entries for this architecture.  By
    default there are none.  */
diff --git a/lib/libc/glibc/sysdeps/ia64/dl-sysdep.h b/lib/libc/glibc/sysdeps/ia64/dl-sysdep.h
index d827aee5c772a1f943d06a5f535dafaba59842c3..7ad1076ddc5b40fa35bd52ada77e188dacf023db 100644
--- a/lib/libc/glibc/sysdeps/ia64/dl-sysdep.h
+++ b/lib/libc/glibc/sysdeps/ia64/dl-sysdep.h
@@ -1,5 +1,5 @@
 /* System-specific settings for dynamic linker code.  IA-64 version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include_next <dl-sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/ia64/start.S b/lib/libc/glibc/sysdeps/ia64/start.S
index 0ddc06ef57589f694659ec16327073b3d66d284d..18c8962b6eb0fb753faf771e1436213d5e42701a 100644
--- a/lib/libc/glibc/sysdeps/ia64/start.S
+++ b/lib/libc/glibc/sysdeps/ia64/start.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
 
@@ -31,11 +31,10 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
 
-#include <asm/unistd.h>
 #include <asm/fpu.h>
 
 /*
diff --git a/lib/libc/glibc/sysdeps/ia64/sysdep.h b/lib/libc/glibc/sysdeps/ia64/sysdep.h
index 29181e768673a235eaa1992822e865dfe6007d99..1627807de8d8e0570165b2dd463b86958698411b 100644
--- a/lib/libc/glibc/sysdeps/ia64/sysdep.h
+++ b/lib/libc/glibc/sysdeps/ia64/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
      Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/generic/sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/m68k/bits/endian.h b/lib/libc/glibc/sysdeps/m68k/bits/endian.h
deleted file mode 100644
index bf4ecb60a4c2b8af24a2357de9c23b2975e0fcc2..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/m68k/bits/endian.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* m68k is big-endian.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/lib/libc/glibc/sysdeps/m68k/bits/endianness.h b/lib/libc/glibc/sysdeps/m68k/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..7e5f0d29696f963e52eba0bd8ca8b83fb6874ac3
--- /dev/null
+++ b/lib/libc/glibc/sysdeps/m68k/bits/endianness.h
@@ -0,0 +1,11 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* m68k is big-endian.  */
+#define __BYTE_ORDER __BIG_ENDIAN
+
+#endif /* bits/endianness.h */
diff --git a/lib/libc/glibc/sysdeps/m68k/coldfire/sysdep.h b/lib/libc/glibc/sysdeps/m68k/coldfire/sysdep.h
index 90c2833a19022a787cb0651cc98b90e0990e6293..04bbcbc71e3ab4bc3cd4250ab67306db43289f54 100644
--- a/lib/libc/glibc/sysdeps/m68k/coldfire/sysdep.h
+++ b/lib/libc/glibc/sysdeps/m68k/coldfire/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for Coldfire.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/m68k/sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/m68k/crti.S b/lib/libc/glibc/sysdeps/m68k/crti.S
index f6a93773244d4bc8e1fa0fdba96dfa45402c0842..54391c4c7cf95bb5e30506eae5e37deac2a57d6f 100644
--- a/lib/libc/glibc/sysdeps/m68k/crti.S
+++ b/lib/libc/glibc/sysdeps/m68k/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for m68k.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/m68k/crtn.S b/lib/libc/glibc/sysdeps/m68k/crtn.S
index dffa96f404981ca54e02450807b35616fdf9e52b..6721d54cae663bf5d1b21a05d828749013686c54 100644
--- a/lib/libc/glibc/sysdeps/m68k/crtn.S
+++ b/lib/libc/glibc/sysdeps/m68k/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for m68k.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/m68k/m680x0/sysdep.h b/lib/libc/glibc/sysdeps/m68k/m680x0/sysdep.h
index e426cfdb709859c2fbd28246f3ac3a2bd30e3af1..0e2e6d0f77d4084ca307ecf88f4961fdc28cfdb6 100644
--- a/lib/libc/glibc/sysdeps/m68k/m680x0/sysdep.h
+++ b/lib/libc/glibc/sysdeps/m68k/m680x0/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for m680x0.
-   Copyright (C) 2010-2019 Free Software Foundation, Inc.
+   Copyright (C) 2010-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/m68k/sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/m68k/nptl/bits/pthreadtypes-arch.h b/lib/libc/glibc/sysdeps/m68k/nptl/bits/pthreadtypes-arch.h
index 731cdec69a9791f6393f482ed2cda231bfc71fca..b45265a47e711a2d2c3e4f49090c90def59f0901 100644
--- a/lib/libc/glibc/sysdeps/m68k/nptl/bits/pthreadtypes-arch.h
+++ b/lib/libc/glibc/sysdeps/m68k/nptl/bits/pthreadtypes-arch.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2010-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2010-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010.
 
@@ -14,12 +14,12 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_ARCH_H
 #define _BITS_PTHREADTYPES_ARCH_H	1
 
-#include <endian.h>
+#include <bits/endian.h>
 
 #define __SIZEOF_PTHREAD_ATTR_T 36
 #define __SIZEOF_PTHREAD_MUTEX_T 24
@@ -31,33 +31,7 @@
 #define __SIZEOF_PTHREAD_BARRIER_T 20
 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
 
-/* Data structure for mutex handling. */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  1
-#define __PTHREAD_MUTEX_USE_UNION          1
-
 #define __LOCK_ALIGNMENT __attribute__ ((__aligned__ (4)))
 #define __ONCE_ALIGNMENT __attribute__ ((__aligned__ (4)))
 
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers  __attribute__ ((__aligned__ (4)));
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-  unsigned char __pad1;
-  unsigned char __pad2;
-  unsigned char __shared;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  int __cur_writer;
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-
 #endif	/* bits/pthreadtypes.h */
diff --git a/lib/libc/glibc/sysdeps/m68k/start.S b/lib/libc/glibc/sysdeps/m68k/start.S
index 05fd964ab6439020649c4ec6a7cfbb1473dff195..f69a6502e6136254d4522a1597454f8ccdfdb47f 100644
--- a/lib/libc/glibc/sysdeps/m68k/start.S
+++ b/lib/libc/glibc/sysdeps/m68k/start.S
@@ -1,5 +1,5 @@
 /* Startup code compliant to the ELF m68k ABI.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This is the canonical entry point, usually the first thing in the text
    segment.  The SVR4/m68k ABI says that when the entry point runs,
diff --git a/lib/libc/glibc/sysdeps/m68k/symbol-hacks.h b/lib/libc/glibc/sysdeps/m68k/symbol-hacks.h
index 72eff097cf6881643ca4e188febba71dca5638ce..f561ae560cc6d8fd5e0abf1c80b6b2092bbf7ad0 100644
--- a/lib/libc/glibc/sysdeps/m68k/symbol-hacks.h
+++ b/lib/libc/glibc/sysdeps/m68k/symbol-hacks.h
@@ -1,5 +1,5 @@
 /* Hacks needed for symbol manipulation.  m68k version.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/wordsize-32/divdi3-symbol-hacks.h>
 
diff --git a/lib/libc/glibc/sysdeps/m68k/sysdep.h b/lib/libc/glibc/sysdeps/m68k/sysdep.h
index 8543458447683b148862c028420ffd2ea94df7b0..9a1c4b7fcf743d95de668fea07b5294b4d037ced 100644
--- a/lib/libc/glibc/sysdeps/m68k/sysdep.h
+++ b/lib/libc/glibc/sysdeps/m68k/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for m68k.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/generic/sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/mach/hurd/bits/stat.h b/lib/libc/glibc/sysdeps/mach/hurd/bits/stat.h
index 0044493ff36f1d81923369ed30a6d4db3d59f934..bcb8fb747ff2b9da23f0071e36968e9bdfd2043f 100644
--- a/lib/libc/glibc/sysdeps/mach/hurd/bits/stat.h
+++ b/lib/libc/glibc/sysdeps/mach/hurd/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/glibc/sysdeps/mach/hurd/bits/typesizes.h b/lib/libc/glibc/sysdeps/mach/hurd/bits/typesizes.h
index 6bd9b43599b69f343fcdf17e07fef8e98a52ebaf..b429379d7d32e4939af8ea3a5c12979fda9108ea 100644
--- a/lib/libc/glibc/sysdeps/mach/hurd/bits/typesizes.h
+++ b/lib/libc/glibc/sysdeps/mach/hurd/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Hurd version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -64,5 +64,9 @@
 /* Number of descriptors that can fit in an `fd_set'.  */
 #define	__FD_SETSIZE		256
 
+/* Tell the libc code that fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and
+   fsfilcnt64_t are not the same type for all ABI purposes.  */
+# define __STATFS_MATCHES_STATFS64  0
+
 
 #endif /* bits/typesizes.h */
diff --git a/lib/libc/glibc/sysdeps/mach/hurd/dl-sysdep.h b/lib/libc/glibc/sysdeps/mach/hurd/dl-sysdep.h
index 6f329f53a92a5e8e2302c626cc13730cdd533ea4..1fe3964103a068b1104cfbe1731d3f62715f2fb5 100644
--- a/lib/libc/glibc/sysdeps/mach/hurd/dl-sysdep.h
+++ b/lib/libc/glibc/sysdeps/mach/hurd/dl-sysdep.h
@@ -1,5 +1,5 @@
 /* System-specific settings for dynamic linker code.  Hurd version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* The private errno doesn't make sense on the Hurd.  errno is always the
    thread-local slot shared with libc, and it matters to share the cell
diff --git a/lib/libc/glibc/sysdeps/mach/hurd/kernel-features.h b/lib/libc/glibc/sysdeps/mach/hurd/kernel-features.h
index 2c9c0acda232854aa1e605cdcfe8e4298bb06964..eb2e20f33d4f6a68ac46a5776ec114d1689ea69f 100644
--- a/lib/libc/glibc/sysdeps/mach/hurd/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/mach/hurd/kernel-features.h
@@ -1,5 +1,5 @@
 /* Set flags signalling availability of certain operating system features.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This file can define __ASSUME_* macros checked by certain source files.
    Almost none of these are used outside of sysdeps/unix/sysv/linux code.
diff --git a/lib/libc/glibc/sysdeps/mach/i386/sysdep.h b/lib/libc/glibc/sysdeps/mach/i386/sysdep.h
index d55e4fcea83f1a7a0d6c31ddd85e4a23469ab274..e849f120f9a6db6fadc57e203ac083da11ba358e 100644
--- a/lib/libc/glibc/sysdeps/mach/i386/sysdep.h
+++ b/lib/libc/glibc/sysdeps/mach/i386/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MACH_I386_SYSDEP_H
 #define _MACH_I386_SYSDEP_H 1
diff --git a/lib/libc/glibc/sysdeps/mach/libc-lock.h b/lib/libc/glibc/sysdeps/mach/libc-lock.h
index e768973aca05bf65baa1864459b79b79a9b1a3a8..e04dcc445d88917f9ad00d795bedbbed804ad7a1 100644
--- a/lib/libc/glibc/sysdeps/mach/libc-lock.h
+++ b/lib/libc/glibc/sysdeps/mach/libc-lock.h
@@ -1,5 +1,5 @@
 /* libc-internal interface for mutex locks.  Mach cthreads version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LIBC_LOCK_H
 #define _LIBC_LOCK_H 1
diff --git a/lib/libc/glibc/sysdeps/mach/sysdep.h b/lib/libc/glibc/sysdeps/mach/sysdep.h
index fccfdb33e39523ac8eee443d4e9b075a20447b91..ba65015253235967aa79733d18bc76adbcdab103 100644
--- a/lib/libc/glibc/sysdeps/mach/sysdep.h
+++ b/lib/libc/glibc/sysdeps/mach/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1994-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifdef __ASSEMBLER__
 
diff --git a/lib/libc/glibc/sysdeps/microblaze/bits/endian.h b/lib/libc/glibc/sysdeps/microblaze/bits/endian.h
deleted file mode 100644
index 3650f3d564f2045ef7beb380489fe4c7c0c81da2..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/microblaze/bits/endian.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
-
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public License as
-   published by the Free Software Foundation; either version 2.1 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-/* MicroBlaze can be either big or little endian.  */
-#ifdef _BIG_ENDIAN
-# define __BYTE_ORDER __BIG_ENDIAN
-# define __FLOAT_WORD_ORDER __BIG_ENDIAN
-#else
-# define __BYTE_ORDER __LITTLE_ENDIAN
-# define __FLOAT_WORD_ORDER __LITTLE_ENDIAN
-#endif
diff --git a/lib/libc/glibc/sysdeps/microblaze/bits/endianness.h b/lib/libc/glibc/sysdeps/microblaze/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..c4bb7e5f2e9ee5b0192e96f01fd86bbc8a4a700b
--- /dev/null
+++ b/lib/libc/glibc/sysdeps/microblaze/bits/endianness.h
@@ -0,0 +1,15 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* MicroBlaze has selectable endianness.  */
+#ifdef _BIG_ENDIAN
+# define __BYTE_ORDER __BIG_ENDIAN
+#else
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
diff --git a/lib/libc/glibc/sysdeps/microblaze/crti.S b/lib/libc/glibc/sysdeps/microblaze/crti.S
index 2a884ad1039704a6bd96fafa3982692d11bd52cd..1b448876398480cfe6f518df2ed54cdebbc1fd26 100644
--- a/lib/libc/glibc/sysdeps/microblaze/crti.S
+++ b/lib/libc/glibc/sysdeps/microblaze/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for MicroBlaze.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/microblaze/crtn.S b/lib/libc/glibc/sysdeps/microblaze/crtn.S
index a6f0875a000a2f203c16643c167a491e7afb2eaa..1e00328f924df2400e583cd8ec65acbe695b4dfc 100644
--- a/lib/libc/glibc/sysdeps/microblaze/crtn.S
+++ b/lib/libc/glibc/sysdeps/microblaze/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for MicroBlaze.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/microblaze/start.S b/lib/libc/glibc/sysdeps/microblaze/start.S
index 0b60dab16ab7f734ae2a3212f977a2b4dac7fd8a..55d15d6308d453ef369dd9931663da05ffd1f59e 100644
--- a/lib/libc/glibc/sysdeps/microblaze/start.S
+++ b/lib/libc/glibc/sysdeps/microblaze/start.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
     .text
     .globl _start
diff --git a/lib/libc/glibc/sysdeps/microblaze/sysdep.h b/lib/libc/glibc/sysdeps/microblaze/sysdep.h
index baefe7a0286de6985f861708f35cb9c77a03e13a..f597a8135be8ceeeae9955831b1522b84018a01b 100644
--- a/lib/libc/glibc/sysdeps/microblaze/sysdep.h
+++ b/lib/libc/glibc/sysdeps/microblaze/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/generic/sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/mips/bits/endian.h b/lib/libc/glibc/sysdeps/mips/bits/endian.h
deleted file mode 100644
index 126059799d781066c15c968a651179056861aa59..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/mips/bits/endian.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/* The MIPS architecture has selectable endianness.
-   It exists in both little and big endian flavours and we
-   want to be able to share the installed header files between
-   both, so we define __BYTE_ORDER based on GCC's predefines.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#ifdef __MIPSEB
-# define __BYTE_ORDER __BIG_ENDIAN
-#endif
-#ifdef __MIPSEL
-# define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
diff --git a/lib/libc/glibc/sysdeps/mips/bits/endianness.h b/lib/libc/glibc/sysdeps/mips/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..09e138b89be57e990608ac247f389db0cc69e8fc
--- /dev/null
+++ b/lib/libc/glibc/sysdeps/mips/bits/endianness.h
@@ -0,0 +1,16 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* MIPS has selectable endianness.  */
+#ifdef __MIPSEB
+# define __BYTE_ORDER __BIG_ENDIAN
+#endif
+#ifdef __MIPSEL
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
diff --git a/lib/libc/glibc/sysdeps/mips/dl-dtprocnum.h b/lib/libc/glibc/sysdeps/mips/dl-dtprocnum.h
index 3b490a34aac41594145eff80f033d8dc5e940699..acef635092cfedb81e06b0f68f18d9b805b45609 100644
--- a/lib/libc/glibc/sysdeps/mips/dl-dtprocnum.h
+++ b/lib/libc/glibc/sysdeps/mips/dl-dtprocnum.h
@@ -1,5 +1,5 @@
 /* Configuration of lookup functions.  MIPS version.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Number of extra dynamic section entries for this architecture.  By
    default there are none.  */
diff --git a/lib/libc/glibc/sysdeps/mips/mips32/crti.S b/lib/libc/glibc/sysdeps/mips/mips32/crti.S
index 7bdb9d12607b4da97a00ba2ede90d88551a45ffe..417b07a896707032a671f757d52e2ffd1a76db0f 100644
--- a/lib/libc/glibc/sysdeps/mips/mips32/crti.S
+++ b/lib/libc/glibc/sysdeps/mips/mips32/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for MIPS (o32).
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/mips/mips32/crtn.S b/lib/libc/glibc/sysdeps/mips/mips32/crtn.S
index 0c110c00e67c9b4b363b7bde524025a1f7f44c97..78ab58a68a1ffa4ff5c54bed609e406517a59053 100644
--- a/lib/libc/glibc/sysdeps/mips/mips32/crtn.S
+++ b/lib/libc/glibc/sysdeps/mips/mips32/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for MIPS (o32).
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/mips/mips64/n32/crti.S b/lib/libc/glibc/sysdeps/mips/mips64/n32/crti.S
index 5a6b1a0088f826dfbb9ab6e1423077d684d625a2..22dad8196382bfa1e472ee806960ac62c513edfb 100644
--- a/lib/libc/glibc/sysdeps/mips/mips64/n32/crti.S
+++ b/lib/libc/glibc/sysdeps/mips/mips64/n32/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for MIPS (n32).
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/mips/mips64/n32/crtn.S b/lib/libc/glibc/sysdeps/mips/mips64/n32/crtn.S
index fad316e27f537640ec8ef1ae84dde05787141605..1ba6b73c09f3d11e64f43ac715121bee194d1231 100644
--- a/lib/libc/glibc/sysdeps/mips/mips64/n32/crtn.S
+++ b/lib/libc/glibc/sysdeps/mips/mips64/n32/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for MIPS (n32).
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/mips/mips64/n64/crti.S b/lib/libc/glibc/sysdeps/mips/mips64/n64/crti.S
index 43c49abc1df39d8c5460651cba3db22eb16d1d4c..85edb784b426c26483e41b6984f82ffb66df7397 100644
--- a/lib/libc/glibc/sysdeps/mips/mips64/n64/crti.S
+++ b/lib/libc/glibc/sysdeps/mips/mips64/n64/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for MIPS (n64).
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/mips/mips64/n64/crtn.S b/lib/libc/glibc/sysdeps/mips/mips64/n64/crtn.S
index d6870d18b298b295472fc076113d91edb175379a..c337602c6929e4592c09cb1fd1561049e279d9f3 100644
--- a/lib/libc/glibc/sysdeps/mips/mips64/n64/crtn.S
+++ b/lib/libc/glibc/sysdeps/mips/mips64/n64/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for MIPS (n64).
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/mips/nptl/bits/pthreadtypes-arch.h b/lib/libc/glibc/sysdeps/mips/nptl/bits/pthreadtypes-arch.h
index bebee00258e744b6656915974dd5540ff3bc647a..ce50110dd2363690ae2100f7d44919f93a7ddfab 100644
--- a/lib/libc/glibc/sysdeps/mips/nptl/bits/pthreadtypes-arch.h
+++ b/lib/libc/glibc/sysdeps/mips/nptl/bits/pthreadtypes-arch.h
@@ -1,5 +1,5 @@
 /* Machine-specific pthread type layouts.  MIPS version.
-   Copyright (C) 2005-2019 Free Software Foundation, Inc.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,12 +14,12 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_ARCH_H
 #define _BITS_PTHREADTYPES_ARCH_H	1
 
-#include <endian.h>
+#include <bits/endian.h>
 
 #if _MIPS_SIM == _ABI64
 # define __SIZEOF_PTHREAD_ATTR_T 56
@@ -38,52 +38,7 @@
 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
 
-/* Data structure for mutex handling. */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  (_MIPS_SIM != _ABI64)
-#define __PTHREAD_MUTEX_USE_UNION          (_MIPS_SIM != _ABI64)
-
 #define __LOCK_ALIGNMENT
 #define __ONCE_ALIGNMENT
 
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#if _MIPS_SIM == _ABI64
-  int __cur_writer;
-  int __shared;
-  unsigned long int __pad1;
-  unsigned long int __pad2;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned int __flags;
-# else
-# if __BYTE_ORDER == __BIG_ENDIAN
-  unsigned char __pad1;
-  unsigned char __pad2;
-  unsigned char __shared;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-# else
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  unsigned char __shared;
-  unsigned char __pad1;
-  unsigned char __pad2;
-# endif
-  int __cur_writer;
-#endif
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-
 #endif	/* bits/pthreadtypes.h */
diff --git a/lib/libc/glibc/sysdeps/mips/start.S b/lib/libc/glibc/sysdeps/mips/start.S
index 8638e5b545603510849da4f7dced25e4cf541712..fabc8080dfcdd4aca982d0b8d111ca65283423e1 100644
--- a/lib/libc/glibc/sysdeps/mips/start.S
+++ b/lib/libc/glibc/sysdeps/mips/start.S
@@ -1,5 +1,5 @@
 /* Startup code compliant to the ELF Mips ABI.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #define __ASSEMBLY__ 1
 #include <entry.h>
diff --git a/lib/libc/glibc/sysdeps/nptl/bits/pthreadtypes.h b/lib/libc/glibc/sysdeps/nptl/bits/pthreadtypes.h
index 1b2a1740608d1eda106df4a5348ae1dc38e8e1b9..ac65027463c69bba906a840a425f03d9edabd474 100644
--- a/lib/libc/glibc/sysdeps/nptl/bits/pthreadtypes.h
+++ b/lib/libc/glibc/sysdeps/nptl/bits/pthreadtypes.h
@@ -1,5 +1,5 @@
 /* Declaration of common pthread types for all architectures.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_COMMON_H
 # define _BITS_PTHREADTYPES_COMMON_H	1
diff --git a/lib/libc/glibc/sysdeps/nptl/bits/thread-shared-types.h b/lib/libc/glibc/sysdeps/nptl/bits/thread-shared-types.h
index aec0a121d0a5fd09adc7e2b1db0d3bd322a0d7ca..fd08b6916a057078ef1469a973b52f7796152d19 100644
--- a/lib/libc/glibc/sysdeps/nptl/bits/thread-shared-types.h
+++ b/lib/libc/glibc/sysdeps/nptl/bits/thread-shared-types.h
@@ -1,5 +1,5 @@
 /* Common threading primitives definitions for both POSIX and C11.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _THREAD_SHARED_TYPES_H
 #define _THREAD_SHARED_TYPES_H 1
@@ -32,36 +32,6 @@
    __SIZEOF_PTHREAD_BARRIER_T     - size of pthread_barrier_t.
    __SIZEOF_PTHREAD_BARRIERATTR_T - size of pthread_barrierattr_t.
 
-   Also, the following macros must be define for internal pthread_mutex_t
-   struct definitions (struct __pthread_mutex_s):
-
-   __PTHREAD_COMPAT_PADDING_MID   - any additional members after 'kind'
-				    and before '__spin' (for 64 bits) or
-				    '__nusers' (for 32 bits).
-   __PTHREAD_COMPAT_PADDING_END   - any additional members at the end of
-				    the internal structure.
-   __PTHREAD_MUTEX_LOCK_ELISION   - 1 if the architecture supports lock
-				    elision or 0 otherwise.
-   __PTHREAD_MUTEX_NUSERS_AFTER_KIND - control where to put __nusers.  The
-				       preferred value for new architectures
-				       is 0.
-   __PTHREAD_MUTEX_USE_UNION      - control whether internal __spins and
-				    __list will be place inside a union for
-				    linuxthreads compatibility.
-				    The preferred value for new architectures
-				    is 0.
-
-   For a new port the preferred values for the required defines are:
-
-   #define __PTHREAD_COMPAT_PADDING_MID
-   #define __PTHREAD_COMPAT_PADDING_END
-   #define __PTHREAD_MUTEX_LOCK_ELISION         0
-   #define __PTHREAD_MUTEX_NUSERS_AFTER_KIND    0
-   #define __PTHREAD_MUTEX_USE_UNION            0
-
-   __PTHREAD_MUTEX_LOCK_ELISION can be set to 1 if the hardware plans to
-   eventually support lock elision using transactional memory.
-
    The additional macro defines any constraint for the lock alignment
    inside the thread structures:
 
@@ -69,101 +39,52 @@
 
    Same idea but for the once locking primitive:
 
-   __ONCE_ALIGNMENT - for pthread_once_t/once_flag definition.
+   __ONCE_ALIGNMENT - for pthread_once_t/once_flag definition.  */
 
-   And finally the internal pthread_rwlock_t (struct __pthread_rwlock_arch_t)
-   must be defined.
- */
 #include <bits/pthreadtypes-arch.h>
 
+
 /* Common definition of pthread_mutex_t. */
 
-#if !__PTHREAD_MUTEX_USE_UNION
 typedef struct __pthread_internal_list
 {
   struct __pthread_internal_list *__prev;
   struct __pthread_internal_list *__next;
 } __pthread_list_t;
-#else
+
 typedef struct __pthread_internal_slist
 {
   struct __pthread_internal_slist *__next;
 } __pthread_slist_t;
-#endif
 
-/* Lock elision support.  */
-#if __PTHREAD_MUTEX_LOCK_ELISION
-# if !__PTHREAD_MUTEX_USE_UNION
-#  define __PTHREAD_SPINS_DATA	\
-  short __spins;		\
-  short __elision
-#  define __PTHREAD_SPINS             0, 0
-# else
-#  define __PTHREAD_SPINS_DATA	\
-  struct			\
-  {				\
-    short __espins;		\
-    short __eelision;		\
-  } __elision_data
-#  define __PTHREAD_SPINS         { 0, 0 }
-#  define __spins __elision_data.__espins
-#  define __elision __elision_data.__eelision
-# endif
-#else
-# define __PTHREAD_SPINS_DATA int __spins
-/* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER.  */
-# define __PTHREAD_SPINS 0
-#endif
+/* Arch-specific mutex definitions.  A generic implementation is provided
+   by sysdeps/nptl/bits/struct_mutex.h.  If required, an architecture
+   can override it by defining:
 
-struct __pthread_mutex_s
-{
-  int __lock __LOCK_ALIGNMENT;
-  unsigned int __count;
-  int __owner;
-#if !__PTHREAD_MUTEX_NUSERS_AFTER_KIND
-  unsigned int __nusers;
-#endif
-  /* KIND must stay at this position in the structure to maintain
-     binary compatibility with static initializers.
+   1. struct __pthread_mutex_s (used on both pthread_mutex_t and mtx_t
+      definition).  It should contains at least the internal members
+      defined in the generic version.
 
-     Concurrency notes:
-     The __kind of a mutex is initialized either by the static
-     PTHREAD_MUTEX_INITIALIZER or by a call to pthread_mutex_init.
+   2. __LOCK_ALIGNMENT for any extra attribute for internal lock used with
+      atomic operations.
 
-     After a mutex has been initialized, the __kind of a mutex is usually not
-     changed.  BUT it can be set to -1 in pthread_mutex_destroy or elision can
-     be enabled.  This is done concurrently in the pthread_mutex_*lock functions
-     by using the macro FORCE_ELISION. This macro is only defined for
-     architectures which supports lock elision.
+   3. The macro __PTHREAD_MUTEX_INITIALIZER used for static initialization.
+      It should initialize the mutex internal flag.  */
 
-     For elision, there are the flags PTHREAD_MUTEX_ELISION_NP and
-     PTHREAD_MUTEX_NO_ELISION_NP which can be set in addition to the already set
-     type of a mutex.
-     Before a mutex is initialized, only PTHREAD_MUTEX_NO_ELISION_NP can be set
-     with pthread_mutexattr_settype.
-     After a mutex has been initialized, the functions pthread_mutex_*lock can
-     enable elision - if the mutex-type and the machine supports it - by setting
-     the flag PTHREAD_MUTEX_ELISION_NP. This is done concurrently. Afterwards
-     the lock / unlock functions are using specific elision code-paths.  */
-  int __kind;
-  __PTHREAD_COMPAT_PADDING_MID
-#if __PTHREAD_MUTEX_NUSERS_AFTER_KIND
-  unsigned int __nusers;
-#endif
-#if !__PTHREAD_MUTEX_USE_UNION
-  __PTHREAD_SPINS_DATA;
-  __pthread_list_t __list;
-# define __PTHREAD_MUTEX_HAVE_PREV      1
-#else
-  __extension__ union
-  {
-    __PTHREAD_SPINS_DATA;
-    __pthread_slist_t __list;
-  };
-# define __PTHREAD_MUTEX_HAVE_PREV      0
-#endif
-  __PTHREAD_COMPAT_PADDING_END
-};
+#include <bits/struct_mutex.h>
+
+/* Arch-sepecific read-write lock definitions.  A generic implementation is
+   provided by struct_rwlock.h.  If required, an architecture can override it
+   by defining:
+
+   1. struct __pthread_rwlock_arch_t (used on pthread_rwlock_t definition).
+      It should contain at least the internal members defined in the
+      generic version.
+
+   2. The macro __PTHREAD_RWLOCK_INITIALIZER used for static initialization.
+      It should initialize the rwlock internal type.  */
+
+#include <bits/struct_rwlock.h>
 
 
 /* Common definition of pthread_cond_t. */
diff --git a/lib/libc/glibc/sysdeps/nptl/libc-lock.h b/lib/libc/glibc/sysdeps/nptl/libc-lock.h
index a1fe9a766b8471832a2f708130e53fcee9209505..bfeee32eaff1ebd3574d15f456a7631bbe31fe52 100644
--- a/lib/libc/glibc/sysdeps/nptl/libc-lock.h
+++ b/lib/libc/glibc/sysdeps/nptl/libc-lock.h
@@ -1,5 +1,5 @@
 /* libc-internal interface for mutex locks.  NPTL version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
+   not, see <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LIBC_LOCK_H
 #define _LIBC_LOCK_H 1
diff --git a/lib/libc/glibc/sysdeps/nptl/libc-lockP.h b/lib/libc/glibc/sysdeps/nptl/libc-lockP.h
index 07d583f11a18322ce8bbe4beacef4ea63846bcf5..86d903dddc3af92da6411df8bc664942d8e4df06 100644
--- a/lib/libc/glibc/sysdeps/nptl/libc-lockP.h
+++ b/lib/libc/glibc/sysdeps/nptl/libc-lockP.h
@@ -1,5 +1,5 @@
 /* Private libc-internal interface for mutex locks.  NPTL version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
+   not, see <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LIBC_LOCKP_H
 #define _LIBC_LOCKP_H 1
diff --git a/lib/libc/glibc/sysdeps/nptl/pthread.h b/lib/libc/glibc/sysdeps/nptl/pthread.h
index a767d6f18080301bb25dea9b7a67074ce5803bb8..44dd707896f1ab70400c554bb33879238ecfa3dd 100644
--- a/lib/libc/glibc/sysdeps/nptl/pthread.h
+++ b/lib/libc/glibc/sysdeps/nptl/pthread.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,16 +13,16 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _PTHREAD_H
 #define _PTHREAD_H	1
 
 #include <features.h>
-#include <endian.h>
 #include <sched.h>
 #include <time.h>
 
+#include <bits/endian.h>
 #include <bits/pthreadtypes.h>
 #include <bits/setjmp.h>
 #include <bits/wordsize.h>
@@ -83,30 +83,15 @@ enum
 #endif
 
 
-#if __PTHREAD_MUTEX_HAVE_PREV
-# define PTHREAD_MUTEX_INITIALIZER \
-  { { 0, 0, 0, 0, 0, __PTHREAD_SPINS, { 0, 0 } } }
-# ifdef __USE_GNU
-#  define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \
-  { { 0, 0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, __PTHREAD_SPINS, { 0, 0 } } }
-#  define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \
-  { { 0, 0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, __PTHREAD_SPINS, { 0, 0 } } }
-#  define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \
-  { { 0, 0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, __PTHREAD_SPINS, { 0, 0 } } }
-
-# endif
-#else
-# define PTHREAD_MUTEX_INITIALIZER \
-  { { 0, 0, 0, 0, 0, { __PTHREAD_SPINS } } }
-# ifdef __USE_GNU
-#  define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \
-  { { 0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, 0, { __PTHREAD_SPINS } } }
-#  define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \
-  { { 0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, 0, { __PTHREAD_SPINS } } }
-#  define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \
-  { { 0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, 0, { __PTHREAD_SPINS } } }
-
-# endif
+#define PTHREAD_MUTEX_INITIALIZER \
+ { {  __PTHREAD_MUTEX_INITIALIZER (PTHREAD_MUTEX_TIMED_NP) } }
+#ifdef __USE_GNU
+# define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \
+ { {  __PTHREAD_MUTEX_INITIALIZER (PTHREAD_MUTEX_RECURSIVE_NP) } }
+# define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \
+ { {  __PTHREAD_MUTEX_INITIALIZER (PTHREAD_MUTEX_ERRORCHECK_NP) } }
+# define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \
+ { {  __PTHREAD_MUTEX_INITIALIZER (PTHREAD_MUTEX_ADAPTIVE_NP) } }
 #endif
 
 
@@ -120,34 +105,13 @@ enum
   PTHREAD_RWLOCK_DEFAULT_NP = PTHREAD_RWLOCK_PREFER_READER_NP
 };
 
-/* Define __PTHREAD_RWLOCK_INT_FLAGS_SHARED to 1 if pthread_rwlock_t
-   has the shared field.  All 64-bit architectures have the shared field
-   in pthread_rwlock_t.  */
-#ifndef __PTHREAD_RWLOCK_INT_FLAGS_SHARED
-# if __WORDSIZE == 64
-#  define __PTHREAD_RWLOCK_INT_FLAGS_SHARED 1
-# endif
-#endif
 
 /* Read-write lock initializers.  */
 # define PTHREAD_RWLOCK_INITIALIZER \
-  { { 0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, 0 } }
+  { { __PTHREAD_RWLOCK_INITIALIZER (PTHREAD_RWLOCK_DEFAULT_NP) } }
 # ifdef __USE_GNU
-#  ifdef __PTHREAD_RWLOCK_INT_FLAGS_SHARED
-#   define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
-  { { 0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0,					      \
-	PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP } }
-#  else
-#   if __BYTE_ORDER == __LITTLE_ENDIAN
-#    define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
-  { { 0, 0, 0, 0, 0, 0, PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, \
-      0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, 0 } }
-#   else
-#    define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
-  { { 0, 0, 0, 0, 0, 0, 0, 0, 0, PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP,\
-      0 } }
-#   endif
-#  endif
+#  define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
+  { { __PTHREAD_RWLOCK_INITIALIZER (PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP) } }
 # endif
 #endif  /* Unix98 or XOpen2K */
 
@@ -263,6 +227,17 @@ extern int pthread_tryjoin_np (pthread_t __th, void **__thread_return) __THROW;
    __THROW.  */
 extern int pthread_timedjoin_np (pthread_t __th, void **__thread_return,
 				 const struct timespec *__abstime);
+
+/* Make calling thread wait for termination of the thread TH, but only
+   until TIMEOUT measured against the clock specified by CLOCKID.  The
+   exit status of the thread is stored in *THREAD_RETURN, if
+   THREAD_RETURN is not NULL.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int pthread_clockjoin_np (pthread_t __th, void **__thread_return,
+                                 clockid_t __clockid,
+				 const struct timespec *__abstime);
 #endif
 
 /* Indicate that the thread TH is never to be joined with PTHREAD_JOIN.
diff --git a/lib/libc/glibc/sysdeps/powerpc/bits/endian.h b/lib/libc/glibc/sysdeps/powerpc/bits/endian.h
deleted file mode 100644
index cd8ae4fc50cf2cf81929844a9223bfc00b2e0768..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/powerpc/bits/endian.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-/* PowerPC can be little or big endian.  Hopefully gcc will know...  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
-# if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
-#  error Both BIG_ENDIAN and LITTLE_ENDIAN defined!
-# endif
-# define __BYTE_ORDER __BIG_ENDIAN
-#else
-# if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
-#  define __BYTE_ORDER __LITTLE_ENDIAN
-# else
-#  warning Cannot determine current byte order, assuming big-endian.
-#  define __BYTE_ORDER __BIG_ENDIAN
-# endif
-#endif
diff --git a/lib/libc/glibc/sysdeps/powerpc/bits/endianness.h b/lib/libc/glibc/sysdeps/powerpc/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..3e7735237e41599f35a0e73a6291b0c07cb9b396
--- /dev/null
+++ b/lib/libc/glibc/sysdeps/powerpc/bits/endianness.h
@@ -0,0 +1,16 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* PowerPC has selectable endianness.  */
+#if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
+# define __BYTE_ORDER __BIG_ENDIAN
+#endif
+#if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
diff --git a/lib/libc/glibc/sysdeps/powerpc/powerpc32/crti.S b/lib/libc/glibc/sysdeps/powerpc/powerpc32/crti.S
index 6c54dcb7b04c67210d48fdbc117edb44415bd5f4..4d1082035e82fbb464c699f6dfa8edb4e0993e8a 100644
--- a/lib/libc/glibc/sysdeps/powerpc/powerpc32/crti.S
+++ b/lib/libc/glibc/sysdeps/powerpc/powerpc32/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for PowerPC.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/powerpc/powerpc32/crtn.S b/lib/libc/glibc/sysdeps/powerpc/powerpc32/crtn.S
index aa933c9bb54ef678af989b0c52833b55f2f3604d..630a3b9e35f96f4babd8f5cb7d618c905034a72d 100644
--- a/lib/libc/glibc/sysdeps/powerpc/powerpc32/crtn.S
+++ b/lib/libc/glibc/sysdeps/powerpc/powerpc32/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for PowerPC.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/powerpc/powerpc32/start.S b/lib/libc/glibc/sysdeps/powerpc/powerpc32/start.S
index 172fb5a56be665e77d601eeb8bc1b31024ea4cd1..b7b9a133a25710d2c0a01b74ab0de258349fbe83 100644
--- a/lib/libc/glibc/sysdeps/powerpc/powerpc32/start.S
+++ b/lib/libc/glibc/sysdeps/powerpc/powerpc32/start.S
@@ -1,5 +1,5 @@
 /* Startup code for programs linked with GNU libc.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/powerpc/powerpc32/symbol-hacks.h b/lib/libc/glibc/sysdeps/powerpc/powerpc32/symbol-hacks.h
index 1937c5082b9b920e22ec84032d824dc96b4d0023..3b03e126296d1f5ef6bd1c52efde25ca5fa04f36 100644
--- a/lib/libc/glibc/sysdeps/powerpc/powerpc32/symbol-hacks.h
+++ b/lib/libc/glibc/sysdeps/powerpc/powerpc32/symbol-hacks.h
@@ -1,5 +1,5 @@
 /* Hacks needed for symbol manipulation.  powerpc version.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/wordsize-32/divdi3-symbol-hacks.h>
 
diff --git a/lib/libc/glibc/sysdeps/powerpc/powerpc32/sysdep.h b/lib/libc/glibc/sysdeps/powerpc/powerpc32/sysdep.h
index 0d431f56cdac86b271a6f448dc898792e83e0813..2ba009e919bee2499a1761c448aa197b89055a81 100644
--- a/lib/libc/glibc/sysdeps/powerpc/powerpc32/sysdep.h
+++ b/lib/libc/glibc/sysdeps/powerpc/powerpc32/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembly macros for 32-bit PowerPC.
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/powerpc/sysdep.h>
 
@@ -157,4 +157,30 @@ GOT_LABEL:			;					      \
 /* Label in text section.  */
 #define C_TEXT(name) name
 
+/* Read the value of member from rtld_global_ro.  */
+#ifdef PIC
+# ifdef SHARED
+#  if IS_IN (rtld)
+/* Inside ld.so we use the local alias to avoid runtime GOT
+   relocations.  */
+#   define __GLRO(rOUT, rGOT, member, offset)				\
+	lwz     rOUT,_rtld_local_ro@got(rGOT);				\
+	lwz     rOUT,offset(rOUT)
+#  else
+#   define __GLRO(rOUT, rGOT, member, offset)				\
+	lwz     rOUT,_rtld_global_ro@got(rGOT);				\
+	lwz     rOUT,offset(rOUT)
+#  endif
+# else
+#  define __GLRO(rOUT, rGOT, member, offset)				\
+	lwz     rOUT,member@got(rGOT);					\
+	lwz     rOUT,0(rOUT)
+# endif
+#else
+/* Position-dependent code does not require access to the GOT.  */
+# define __GLRO(rOUT, rGOT, member, offset)				\
+	lis     rOUT,(member+LOWORD)@ha;					\
+	lwz     rOUT,(member+LOWORD)@l(rOUT)
+#endif	/* PIC */
+
 #endif	/* __ASSEMBLER__ */
diff --git a/lib/libc/glibc/sysdeps/powerpc/powerpc64/crti.S b/lib/libc/glibc/sysdeps/powerpc/powerpc64/crti.S
index 52e294dcbd3df5341ff008bb971ee8013b78ef45..9d334e28174d40408d52fe06e9f8732a6edb20bb 100644
--- a/lib/libc/glibc/sysdeps/powerpc/powerpc64/crti.S
+++ b/lib/libc/glibc/sysdeps/powerpc/powerpc64/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for PowerPC64.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/powerpc/powerpc64/crtn.S b/lib/libc/glibc/sysdeps/powerpc/powerpc64/crtn.S
index 32ace21c5b6924d225e26237c2d22b2a16d6837d..677beecdaf83141a70a683cd99e36e9c1eed1e49 100644
--- a/lib/libc/glibc/sysdeps/powerpc/powerpc64/crtn.S
+++ b/lib/libc/glibc/sysdeps/powerpc/powerpc64/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for PowerPC64.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/powerpc/powerpc64/dl-dtprocnum.h b/lib/libc/glibc/sysdeps/powerpc/powerpc64/dl-dtprocnum.h
index b6756e6a4c5d480aaa758272a7cca6306628718b..289bcc7aa9d00c7ff57459d41323a80af681588c 100644
--- a/lib/libc/glibc/sysdeps/powerpc/powerpc64/dl-dtprocnum.h
+++ b/lib/libc/glibc/sysdeps/powerpc/powerpc64/dl-dtprocnum.h
@@ -1,5 +1,5 @@
 /* Configuration of lookup functions.  PowerPC64 version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Number of extra dynamic section entries for this architecture.  By
    default there are none.  */
diff --git a/lib/libc/glibc/sysdeps/powerpc/powerpc64/start.S b/lib/libc/glibc/sysdeps/powerpc/powerpc64/start.S
index 55fae68ad6d167d0380ac955ae805812daa3f56c..94bf771e83a032437aa0248e514a6232fe58b157 100644
--- a/lib/libc/glibc/sysdeps/powerpc/powerpc64/start.S
+++ b/lib/libc/glibc/sysdeps/powerpc/powerpc64/start.S
@@ -1,5 +1,5 @@
 /* Startup code for programs linked with GNU libc.  PowerPC64 version.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/powerpc/powerpc64/sysdep.h b/lib/libc/glibc/sysdeps/powerpc/powerpc64/sysdep.h
index 08772d34a2bc433198c0c6329435b56930f743ae..d6616ac905b9f8deeebfd351825b5ba9ca8e79fd 100644
--- a/lib/libc/glibc/sysdeps/powerpc/powerpc64/sysdep.h
+++ b/lib/libc/glibc/sysdeps/powerpc/powerpc64/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembly macros for 64-bit PowerPC.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/powerpc/sysdep.h>
 
@@ -342,6 +342,30 @@ LT_LABELSUFFIX(name,_name_end): ; \
 #define	PSEUDO_END_ERRVAL(name) \
   END (name)
 
+#ifdef SHARED
+# if IS_IN (rtld)
+	 /* Inside ld.so we use the local alias to avoid runtime GOT
+	    relocations.  */
+#  define __GLRO_DEF(var)				\
+.LC__ ## var:						\
+	.tc _rtld_local_ro[TC],_rtld_local_ro
+# else
+#  define __GLRO_DEF(var)				\
+.LC__ ## var:						\
+	.tc _rtld_global_ro[TC],_rtld_global_ro
+# endif
+# define __GLRO(rOUT, var, offset)		\
+	ld	rOUT,.LC__ ## var@toc(r2);	\
+	lwz	rOUT,offset(rOUT)
+#else
+# define __GLRO_DEF(var)			\
+.LC__ ## var:					\
+	.tc _ ## var[TC],_ ## var
+# define __GLRO(rOUT, var, offset)		\
+	ld	rOUT,.LC__ ## var@toc(r2);	\
+	lwz	rOUT,0(rOUT)
+#endif
+
 #else /* !__ASSEMBLER__ */
 
 #if _CALL_ELF != 2
diff --git a/lib/libc/glibc/sysdeps/powerpc/sysdep.h b/lib/libc/glibc/sysdeps/powerpc/sysdep.h
index 78f1155b02e68c2533a3c89ef867c54546935fc8..e67b2a64eed80a1bc64d0795d67c1a15c3c97500 100644
--- a/lib/libc/glibc/sysdeps/powerpc/sysdep.h
+++ b/lib/libc/glibc/sysdeps/powerpc/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Powerpc Feature masks for the Aux Vector Hardware Capabilities (AT_HWCAP).
diff --git a/lib/libc/glibc/sysdeps/riscv/bits/endian.h b/lib/libc/glibc/sysdeps/riscv/bits/endian.h
deleted file mode 100644
index 4aaf559d4f43cafe4c217629c6842d6abd00eb4c..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/riscv/bits/endian.h
+++ /dev/null
@@ -1,5 +0,0 @@
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/lib/libc/glibc/sysdeps/riscv/bits/endianness.h b/lib/libc/glibc/sysdeps/riscv/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..952d08595a836d5d02507fdec319a24b1945dc16
--- /dev/null
+++ b/lib/libc/glibc/sysdeps/riscv/bits/endianness.h
@@ -0,0 +1,11 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* RISC-V is little-endian.  */
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+#endif /* bits/endianness.h */
diff --git a/lib/libc/glibc/sysdeps/riscv/nptl/bits/pthreadtypes-arch.h b/lib/libc/glibc/sysdeps/riscv/nptl/bits/pthreadtypes-arch.h
index e3fecc320825e23ea02412070ee3822e93806a3f..c3c72d6c103f87bba0c438431c044f05f2c33c7a 100644
--- a/lib/libc/glibc/sysdeps/riscv/nptl/bits/pthreadtypes-arch.h
+++ b/lib/libc/glibc/sysdeps/riscv/nptl/bits/pthreadtypes-arch.h
@@ -1,5 +1,5 @@
 /* Machine-specific pthread type layouts.  RISC-V version.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,12 +14,12 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_ARCH_H
 #define _BITS_PTHREADTYPES_ARCH_H	1
 
-#include <endian.h>
+#include <bits/endian.h>
 
 #if __riscv_xlen == 64
 # define __SIZEOF_PTHREAD_ATTR_T 		56
@@ -35,34 +35,7 @@
 # error "rv32i-based systems are not supported"
 #endif
 
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION		0
-#define __PTHREAD_MUTEX_USE_UNION	 	0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND	0
-
 #define __LOCK_ALIGNMENT
 #define __ONCE_ALIGNMENT
 
-/* There is a lot of padding in this structure.  While it's not strictly
-   necessary on RISC-V, we're going to leave it in to be on the safe side in
-   case it's needed in the future.  Most other architectures have the padding,
-   so this gives us the same extensibility as everyone else has.  */
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-  int __cur_writer;
-  int __shared;
-  unsigned long int __pad1;
-  unsigned long int __pad2;
-  unsigned int __flags;
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 		0
-
 #endif	/* bits/pthreadtypes.h */
diff --git a/lib/libc/glibc/sysdeps/riscv/start.S b/lib/libc/glibc/sysdeps/riscv/start.S
index e2fb99d8ed5afddae3253bae079b605b8a281ff3..09511b1ef82336641ac2af407f89998228dd711e 100644
--- a/lib/libc/glibc/sysdeps/riscv/start.S
+++ b/lib/libc/glibc/sysdeps/riscv/start.S
@@ -1,5 +1,5 @@
 /* Startup code compliant to the ELF RISC-V ABI.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #define __ASSEMBLY__ 1
 #include <entry.h>
@@ -47,7 +47,7 @@ ENTRY (ENTRY_POINT)
 	   .cfi_label to force starting the FDE.  */
 	.cfi_label .Ldummy
 	cfi_undefined (ra)
-	call  .Lload_gp
+	call  load_gp
 	mv    a5, a0  /* rtld_fini.  */
 	/* main may be in a shared library.  */
 	la   a0, main
@@ -68,7 +68,7 @@ END (ENTRY_POINT)
    needs to be initialized before calling __libc_start_main in that case.
    So we redundantly initialize it at the beginning of _start.  */
 
-.Lload_gp:
+load_gp:
 .option push
 .option norelax
 	lla   gp, __global_pointer$
@@ -76,7 +76,7 @@ END (ENTRY_POINT)
 	ret
 
 	.section .preinit_array,"aw"
-	.dc.a .Lload_gp
+	.dc.a load_gp
 
 /* Define a symbol for the first piece of initialized data.  */
 	.data
diff --git a/lib/libc/glibc/sysdeps/s390/bits/endian.h b/lib/libc/glibc/sysdeps/s390/bits/endian.h
deleted file mode 100644
index ac27f0119a8bb68ad7d80b4db96529c084299476..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/s390/bits/endian.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* s390 is big-endian */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/lib/libc/glibc/sysdeps/s390/bits/endianness.h b/lib/libc/glibc/sysdeps/s390/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..c2d34e1c3eefb4e6da175a0542a28da1e4135ad3
--- /dev/null
+++ b/lib/libc/glibc/sysdeps/s390/bits/endianness.h
@@ -0,0 +1,11 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* S/390 is big-endian.  */
+#define __BYTE_ORDER __BIG_ENDIAN
+
+#endif /* bits/endianness.h */
diff --git a/lib/libc/glibc/sysdeps/s390/s390-32/crti.S b/lib/libc/glibc/sysdeps/s390/s390-32/crti.S
index 372adb5df6e3b7ed4369a2f68edbaa1140a45933..07f901753af4e12e95271ad054826935631d7db9 100644
--- a/lib/libc/glibc/sysdeps/s390/s390-32/crti.S
+++ b/lib/libc/glibc/sysdeps/s390/s390-32/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for S/390.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/s390/s390-32/crtn.S b/lib/libc/glibc/sysdeps/s390/s390-32/crtn.S
index c912cb3553845acc71cb3af68122e3f891333f1f..66f9085a3f728a8016f4b0d67d66a0a8affed134 100644
--- a/lib/libc/glibc/sysdeps/s390/s390-32/crtn.S
+++ b/lib/libc/glibc/sysdeps/s390/s390-32/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for S/390.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/s390/s390-32/dl-sysdep.h b/lib/libc/glibc/sysdeps/s390/s390-32/dl-sysdep.h
index b6d66939ef4c2df2e0e6cb396cf7ed8054cb3ba3..2ff5c0101f228fc46e77f472f5d9071379497a16 100644
--- a/lib/libc/glibc/sysdeps/s390/s390-32/dl-sysdep.h
+++ b/lib/libc/glibc/sysdeps/s390/s390-32/dl-sysdep.h
@@ -1,5 +1,5 @@
 /* System-specific settings for dynamic linker code.  S/390 version.
-   Copyright (C) 2014-2019 Free Software Foundation, Inc.
+   Copyright (C) 2014-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include_next <dl-sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/s390/s390-32/start.S b/lib/libc/glibc/sysdeps/s390/s390-32/start.S
index c5bef71cec4102e61cf7fbd6c0ea830a68d7146e..af9dccfb9d126904aafe1890861cdf17138bf8cf 100644
--- a/lib/libc/glibc/sysdeps/s390/s390-32/start.S
+++ b/lib/libc/glibc/sysdeps/s390/s390-32/start.S
@@ -1,5 +1,5 @@
 /* Startup code compliant to the ELF s390 ABI.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -32,7 +32,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/s390/s390-32/symbol-hacks.h b/lib/libc/glibc/sysdeps/s390/s390-32/symbol-hacks.h
index e58e60728ae29c7d3d143be74f2bcfe69b08ab33..71691597dbda33b33e21f46da3e3de2f3b226dd2 100644
--- a/lib/libc/glibc/sysdeps/s390/s390-32/symbol-hacks.h
+++ b/lib/libc/glibc/sysdeps/s390/s390-32/symbol-hacks.h
@@ -1,5 +1,5 @@
 /* Hacks needed for symbol manipulation.  s390 version.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/wordsize-32/divdi3-symbol-hacks.h>
 
diff --git a/lib/libc/glibc/sysdeps/s390/s390-32/sysdep.h b/lib/libc/glibc/sysdeps/s390/s390-32/sysdep.h
index 4a441e12043f03f6447e42591341cc78f377ce96..3e41e6fbc26c6157636b8789d38d6a04eabed58f 100644
--- a/lib/libc/glibc/sysdeps/s390/s390-32/sysdep.h
+++ b/lib/libc/glibc/sysdeps/s390/s390-32/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for s390.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/generic/sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/s390/s390-64/crti.S b/lib/libc/glibc/sysdeps/s390/s390-64/crti.S
index c03b29200791e30f4280989702c97685d12c4f81..e135874343d60a339e10493f138b30622ee56890 100644
--- a/lib/libc/glibc/sysdeps/s390/s390-64/crti.S
+++ b/lib/libc/glibc/sysdeps/s390/s390-64/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for 64 bit S/390.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -32,7 +32,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/s390/s390-64/crtn.S b/lib/libc/glibc/sysdeps/s390/s390-64/crtn.S
index 34e14112ac052ba60707585d34c5a07bc5fafb40..2cd0d24250cf9214c40081dd4b3f954e3f51e0d7 100644
--- a/lib/libc/glibc/sysdeps/s390/s390-64/crtn.S
+++ b/lib/libc/glibc/sysdeps/s390/s390-64/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for 64 bit S/390.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -32,7 +32,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/s390/s390-64/start.S b/lib/libc/glibc/sysdeps/s390/s390-64/start.S
index 1a632f2dc710dad16a739c13678bcb7e8b9a6f26..02ed4aad512752f7299f9eef82763de8db9a8349 100644
--- a/lib/libc/glibc/sysdeps/s390/s390-64/start.S
+++ b/lib/libc/glibc/sysdeps/s390/s390-64/start.S
@@ -1,5 +1,5 @@
 /* Startup code compliant to the 64 bit S/390 ELF ABI.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -32,7 +32,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/s390/s390-64/sysdep.h b/lib/libc/glibc/sysdeps/s390/s390-64/sysdep.h
index 0531fa58231236b112e8c72743efe6732af4fe4e..2da2b0049e9ba4fc90d162c927dd9d963cc713b9 100644
--- a/lib/libc/glibc/sysdeps/s390/s390-64/sysdep.h
+++ b/lib/libc/glibc/sysdeps/s390/s390-64/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for 64 bit S/390.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/generic/sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/sh/bits/endian.h b/lib/libc/glibc/sysdeps/sh/bits/endian.h
deleted file mode 100644
index 1fef1ff938f023d33ccd8697222988ab70d31d4c..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/sh/bits/endian.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/* SH is bi-endian but with a big-endian FPU.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#ifdef __LITTLE_ENDIAN__
-#define __BYTE_ORDER __LITTLE_ENDIAN
-#define __FLOAT_WORD_ORDER __LITTLE_ENDIAN
-#else
-#define __BYTE_ORDER __BIG_ENDIAN
-#define __FLOAT_WORD_ORDER __BIG_ENDIAN
-#endif
diff --git a/lib/libc/glibc/sysdeps/sh/bits/endianness.h b/lib/libc/glibc/sysdeps/sh/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..45c7c83a63f9723007f16bbef5be7aa6109e224f
--- /dev/null
+++ b/lib/libc/glibc/sysdeps/sh/bits/endianness.h
@@ -0,0 +1,15 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* SH has selectable endianness.  */
+#ifdef __LITTLE_ENDIAN__
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#else
+#define __BYTE_ORDER __BIG_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
diff --git a/lib/libc/glibc/sysdeps/sh/crti.S b/lib/libc/glibc/sysdeps/sh/crti.S
index 611762c9ee30afc599000866b68ff3f5cbe6d2a9..67ff55ae6ce75d79a691198cea6c8cd9432029c4 100644
--- a/lib/libc/glibc/sysdeps/sh/crti.S
+++ b/lib/libc/glibc/sysdeps/sh/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for SH.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/sh/crtn.S b/lib/libc/glibc/sysdeps/sh/crtn.S
index 75cc6c2389813c357e467721ef037d34d5da4173..aa3d326a7d7f47385f6956298a510ed09779404f 100644
--- a/lib/libc/glibc/sysdeps/sh/crtn.S
+++ b/lib/libc/glibc/sysdeps/sh/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for SH.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/sh/start.S b/lib/libc/glibc/sysdeps/sh/start.S
index d3ef53a63be5b0e0260440859859ea4c66dc7e18..433f67a259dc1f45d98e81ae496b4c2c6d19bcf2 100644
--- a/lib/libc/glibc/sysdeps/sh/start.S
+++ b/lib/libc/glibc/sysdeps/sh/start.S
@@ -1,5 +1,5 @@
 /* Startup code for SH & ELF.
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This is the canonical entry point, usually the first thing in the text
    segment.
diff --git a/lib/libc/glibc/sysdeps/sh/sysdep.h b/lib/libc/glibc/sysdeps/sh/sysdep.h
index 51700d61ce17a10cfc82c2760a93acb3e24f83f0..cf83bab0249719e435d8efa1559134d084d2f0e1 100644
--- a/lib/libc/glibc/sysdeps/sh/sysdep.h
+++ b/lib/libc/glibc/sysdeps/sh/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for SH.
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/generic/sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/sparc/bits/endian.h b/lib/libc/glibc/sysdeps/sparc/bits/endian.h
deleted file mode 100644
index 8acfdf5df6f365113f34284040f855aa84d62d3a..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/sparc/bits/endian.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/* Sparc is big-endian, but v9 supports endian conversion on loads/stores
-   and GCC supports such a mode.  Be prepared.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#ifdef __LITTLE_ENDIAN__
-# define __BYTE_ORDER __LITTLE_ENDIAN
-#else
-# define __BYTE_ORDER __BIG_ENDIAN
-#endif
diff --git a/lib/libc/glibc/sysdeps/sparc/bits/endianness.h b/lib/libc/glibc/sysdeps/sparc/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..0b6f5bf8b23d307d4655d939d6b714ca6df6a5d6
--- /dev/null
+++ b/lib/libc/glibc/sysdeps/sparc/bits/endianness.h
@@ -0,0 +1,16 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* Sparc is big-endian, but v9 supports endian conversion on loads/stores
+   and GCC supports such a mode.  Be prepared.  */
+#ifdef __LITTLE_ENDIAN__
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#else
+# define __BYTE_ORDER __BIG_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
diff --git a/lib/libc/glibc/sysdeps/sparc/crti.S b/lib/libc/glibc/sysdeps/sparc/crti.S
index 3211d4c34a83fb3eee48ac6ece41b1ce9926fd67..9a30eab7ee7b009746e064023ec1154f853c439c 100644
--- a/lib/libc/glibc/sysdeps/sparc/crti.S
+++ b/lib/libc/glibc/sysdeps/sparc/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for sparc.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/sparc/crtn.S b/lib/libc/glibc/sysdeps/sparc/crtn.S
index 31191dfcecf490a8be124bda00bb5f120db5e4dc..9a88188c44eb9990e17c93d6443c9baf7aaa29e2 100644
--- a/lib/libc/glibc/sysdeps/sparc/crtn.S
+++ b/lib/libc/glibc/sysdeps/sparc/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for sparc.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/sparc/dl-dtprocnum.h b/lib/libc/glibc/sysdeps/sparc/dl-dtprocnum.h
index 280ff03e582bf14b94c0c1658f1634a537bf0acf..109452922926e7c0d763b9b220fcc496e90182c6 100644
--- a/lib/libc/glibc/sysdeps/sparc/dl-dtprocnum.h
+++ b/lib/libc/glibc/sysdeps/sparc/dl-dtprocnum.h
@@ -1,5 +1,5 @@
 /* Configuration of lookup functions.  SPARC version.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Number of extra dynamic section entries for this architecture.  By
    default there are none.  */
diff --git a/lib/libc/glibc/sysdeps/sparc/dl-sysdep.h b/lib/libc/glibc/sysdeps/sparc/dl-sysdep.h
index 1d5e0eb7fd388b071fd2805c0fc812edca45f6c0..5dfd3e314bcce00f2cfb210a5f084ae77c74b64a 100644
--- a/lib/libc/glibc/sysdeps/sparc/dl-sysdep.h
+++ b/lib/libc/glibc/sysdeps/sparc/dl-sysdep.h
@@ -1,5 +1,5 @@
 /* System-specific settings for dynamic linker code.  SPARC version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include_next <dl-sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/sparc/sparc32/start.S b/lib/libc/glibc/sysdeps/sparc/sparc32/start.S
index 7372d1a0246f899849e718c71bfda9bb5364d169..5afc3f6e8943bd3285deff6434e564b543e1828a 100644
--- a/lib/libc/glibc/sysdeps/sparc/sparc32/start.S
+++ b/lib/libc/glibc/sysdeps/sparc/sparc32/start.S
@@ -1,5 +1,5 @@
 /* Startup code for elf32-sparc
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson <richard@gnu.ai.mit.edu>, 1997.
 
@@ -32,7 +32,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/sparc/sparc64/start.S b/lib/libc/glibc/sysdeps/sparc/sparc64/start.S
index cfccea154c6e1b40d73f1fab2f9a854ba09a9049..8167a3363dd7b886c2fac5f14d221098e0e7299a 100644
--- a/lib/libc/glibc/sysdeps/sparc/sparc64/start.S
+++ b/lib/libc/glibc/sysdeps/sparc/sparc64/start.S
@@ -1,5 +1,5 @@
 /* Startup code for elf64-sparc
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson <richard@gnu.ai.mit.edu>, 1997.
 
@@ -32,7 +32,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/sparc/sysdep.h b/lib/libc/glibc/sysdeps/sparc/sysdep.h
index 31a8addebcbeec2f60ece377677bc2be137b3664..d0541d54926ee67a3949e19b43a4b54479e51e61 100644
--- a/lib/libc/glibc/sysdeps/sparc/sysdep.h
+++ b/lib/libc/glibc/sysdeps/sparc/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2011-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #define _SYSDEPS_SYSDEP_H 1
 #include <bits/hwcap.h>
diff --git a/lib/libc/glibc/sysdeps/unix/alpha/sysdep.h b/lib/libc/glibc/sysdeps/unix/alpha/sysdep.h
index dcd4c79be5a6a4845834769d1c7cd1c349914573..74db6b02b207ae818ec910a7ad00edfce803c78a 100644
--- a/lib/libc/glibc/sysdeps/unix/alpha/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/alpha/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Brendan Kehoe (brendan@zen.org).
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/unix/sysdep.h>
 #include <dl-sysdep.h>         /* Defines RTLD_PRIVATE_ERRNO.  */
diff --git a/lib/libc/glibc/sysdeps/unix/arm/sysdep.h b/lib/libc/glibc/sysdeps/unix/arm/sysdep.h
index 7d619d70a3c831de59af10dd6ce6ebc67df92dc7..ee5e374cd15baa74b434e535bab74a9188843614 100644
--- a/lib/libc/glibc/sysdeps/unix/arm/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/arm/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/unix/sysdep.h>
 #include <sysdeps/arm/sysdep.h>
diff --git a/lib/libc/glibc/sysdeps/unix/i386/sysdep.h b/lib/libc/glibc/sysdeps/unix/i386/sysdep.h
index 2e438d2be8fb6b5d672baae8b53c141a87738ff4..11ffec94d62b0bbf5f807eef06ad053e1b4ac034 100644
--- a/lib/libc/glibc/sysdeps/unix/i386/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/i386/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/unix/sysdep.h>
 #include <sysdeps/i386/sysdep.h>
diff --git a/lib/libc/glibc/sysdeps/unix/mips/mips32/sysdep.h b/lib/libc/glibc/sysdeps/unix/mips/mips32/sysdep.h
index 15d84187ef5fa8809763635b669a01245edc2e73..b09367347e80910fadfa687c16b969d7710cfabf 100644
--- a/lib/libc/glibc/sysdeps/unix/mips/mips32/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/mips/mips32/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Brendan Kehoe (brendan@zen.org).
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/unix/mips/sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/unix/mips/mips64/n32/sysdep.h b/lib/libc/glibc/sysdeps/unix/mips/mips64/n32/sysdep.h
index c89b89264055f8ea8c7936b115e94f611ef42dbc..65ce7c54068486e2ec63ce604295da75ef3e8c1f 100644
--- a/lib/libc/glibc/sysdeps/unix/mips/mips64/n32/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/mips/mips64/n32/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Alexandre Oliva <aoliva@redhat.com>.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/unix/mips/sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/unix/mips/mips64/n64/sysdep.h b/lib/libc/glibc/sysdeps/unix/mips/mips64/n64/sysdep.h
index 8a48bb69c71f4c2566418bce2b13b6a72d425332..3d8b2540174fcd5841f9418cea5ad8c730505be9 100644
--- a/lib/libc/glibc/sysdeps/unix/mips/mips64/n64/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/mips/mips64/n64/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Alexandre Oliva <aoliva@redhat.com>.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/unix/mips/sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/unix/mips/sysdep.h b/lib/libc/glibc/sysdeps/unix/mips/sysdep.h
index dd47f05e4e65eca568ccd3a7e203f1d1bb63c4ee..7b162e9aa5aa84f1ec1f5ba44cf04d147876d6bd 100644
--- a/lib/libc/glibc/sysdeps/unix/mips/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/mips/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Brendan Kehoe (brendan@zen.org).
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sgidefs.h>
 #include <sysdeps/unix/sysdep.h>
diff --git a/lib/libc/glibc/sysdeps/unix/powerpc/sysdep.h b/lib/libc/glibc/sysdeps/unix/powerpc/sysdep.h
index 7cc6e474149ec89e7bb43457a84f6fc2f1b7a7ea..ec698f27e56a6e3e8b9bbfb34b6e8e41b1eace71 100644
--- a/lib/libc/glibc/sysdeps/unix/powerpc/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/powerpc/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/unix/sysdep.h>
 #include <bits/wordsize.h>
diff --git a/lib/libc/glibc/sysdeps/unix/sh/sysdep.h b/lib/libc/glibc/sysdeps/unix/sh/sysdep.h
index 6d8da940492f0b3cb9295d7033235822088002fb..9a294d1654765d05df646d439c4dc54d15f46db0 100644
--- a/lib/libc/glibc/sysdeps/unix/sh/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sh/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/unix/sysdep.h>
 #include <sysdeps/sh/sysdep.h>
diff --git a/lib/libc/glibc/sysdeps/unix/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysdep.h
index 6e503d7688dcc91bfe6c136616fb9582b546684a..c2f1bd3c636f04bdb2c7d833f328d504cc382cb5 100644
--- a/lib/libc/glibc/sysdeps/unix/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/generic/sysdep.h>
 #include <single-thread.h>
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/aarch64/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/aarch64/kernel-features.h
index d2a67e33b133f1945c0a656f1355014895d63d16..5f301bed6cafc186950dd9b41a597bd11384d569 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/aarch64/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/aarch64/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.  AArch64 version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include_next <kernel-features.h>
 
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/aarch64/sys/elf.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/aarch64/sys/elf.h
index bcddff182703e5b15d9e8f1bd18d776c72503ecb..2aa8dc77dfa21bde737a9c71dda5784fafe326b9 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/aarch64/sys/elf.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/aarch64/sys/elf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_ELF_H
 #define _SYS_ELF_H	1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/aarch64/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/aarch64/sysdep.h
index 935c507f8cb36b2ad6a657bf51f058c3e68542a0..00b8e241c8b75f99060284039c5e23e1a151fc05 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/aarch64/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/aarch64/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,14 +14,11 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_AARCH64_SYSDEP_H
 #define _LINUX_AARCH64_SYSDEP_H 1
 
-/* Always enable vsyscalls on aarch64 */
-#define ALWAYS_USE_VSYSCALL 1
-
 #include <sysdeps/unix/sysdep.h>
 #include <sysdeps/aarch64/sysdep.h>
 #include <sysdeps/unix/sysv/linux/generic/sysdep.h>
@@ -154,11 +151,18 @@
 
 #else /* not __ASSEMBLER__ */
 
+# ifdef __LP64__
+#  define VDSO_NAME  "LINUX_2.6.39"
+#  define VDSO_HASH  123718537
+# else
+#  define VDSO_NAME  "LINUX_4.9"
+#  define VDSO_HASH  61765625
+# endif
 
 /* List of system calls which are supported as vsyscalls.  */
-# define HAVE_CLOCK_GETRES_VSYSCALL	1
-# define HAVE_CLOCK_GETTIME_VSYSCALL	1
-# define HAVE_GETTIMEOFDAY_VSYSCALL	1
+# define HAVE_CLOCK_GETRES64_VSYSCALL	"__kernel_clock_getres"
+# define HAVE_CLOCK_GETTIME64_VSYSCALL	"__kernel_clock_gettime"
+# define HAVE_GETTIMEOFDAY_VSYSCALL	"__kernel_gettimeofday"
 
 /* Previously AArch64 used the generic version without the libc_hidden_def
    which lead in a non existent __send symbol in libc.so.  */
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/bits/stat.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/bits/stat.h
index 4f0cef3cdffd1b7be9a9282a89fce25041c37f7b..0064ca09ffc909419bf51ea3647a3c42862ce71f 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/bits/stat.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
index cde275defd54db2a3e8a4519076276cfb1cc8108..30356ba6d61d6767c715c503d0b87158224ffd97 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Linux/Alpha version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -69,6 +69,9 @@
 /* And for __rlim_t and __rlim64_t.  */
 #define __RLIM_T_MATCHES_RLIM64_T 1
 
+/* Not for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  0
+
 /* Number of descriptors that can fit in an `fd_set'.  */
 #define	__FD_SETSIZE		1024
 
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/kernel-features.h
index 81f6c3633a7e5345857bc8d808855f31a866f5c1..5f003e634aeba9ed32bbfdd42c6cc6e694ed7520 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.
-   Copyright (C) 2010-2019 Free Software Foundation, Inc.
+   Copyright (C) 2010-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _KERNEL_FEATURES_H
 #define _KERNEL_FEATURES_H 1
@@ -28,11 +28,6 @@
 # define __ASSUME_STATFS64 0
 #endif
 
-/* Alpha used to define SysV ipc shmat syscall with a different name.  */
-#ifndef __NR_shmat
-# define __NR_shmat __NR_osf_shmat
-#endif
-
 #define __ASSUME_RECV_SYSCALL	1
 #define __ASSUME_SEND_SYSCALL	1
 
@@ -52,4 +47,7 @@
 # undef __ASSUME_STATX
 #endif
 
+/* Alpha requires old sysvipc even being a 64-bit architecture.  */
+#undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
+
 #endif /* _KERNEL_FEATURES_H */
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/sysdep.h
index d61d4df5500bd07a90de072f8ff234a10a4f5a7f..f8c9e589ecf2cc2bcdca5d5456872a4f52e6a1ed 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/alpha/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_ALPHA_SYSDEP_H
 #define _LINUX_ALPHA_SYSDEP_H 1
@@ -37,41 +37,6 @@
 #undef SYS_ify
 #define SYS_ify(syscall_name)	__NR_##syscall_name
 
-/* Define some aliases to make automatic syscall generation work
-   properly.  The SYS_* variants are for the benefit of the files in
-   sysdeps/unix.  */
-#define __NR_getpid	__NR_getxpid
-#define __NR_getuid	__NR_getxuid
-#define __NR_getgid	__NR_getxgid
-#define SYS_getpid	__NR_getxpid
-#define SYS_getuid	__NR_getxuid
-#define SYS_getgid	__NR_getxgid
-
-/*
- * Some syscalls no Linux program should know about:
- */
-#define __NR_osf_sigprocmask	 48
-#ifndef __NR_osf_shmat
-# define __NR_osf_shmat		209
-#endif
-#define __NR_osf_getsysinfo	256
-#define __NR_osf_setsysinfo	257
-
-/* Help old kernel headers where particular syscalls are not available.  */
-#ifndef __NR_semtimedop
-# define __NR_semtimedop	423
-#endif
-
-/* This is a kludge to make syscalls.list find these under the names
-   pread and pwrite, since some kernel headers define those names
-   and some define the *64 names for the same system calls.  */
-#if !defined __NR_pread && defined __NR_pread64
-# define __NR_pread __NR_pread64
-#endif
-#if !defined __NR_pwrite && defined __NR_pwrite64
-# define __NR_pwrite __NR_pwrite64
-#endif
-
 #define SINGLE_THREAD_BY_GLOBAL 1
 
 #endif /* _LINUX_ALPHA_SYSDEP_H */
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/arm/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/arm/kernel-features.h
index 4220adff3761392f34df7f6cae3b838aa4396b28..a148a4dc8c34bbf6d2eeaed14f412fb69dbd13b5 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/arm/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/arm/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.
-   Copyright (C) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,8 +15,9 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
+#include <endian.h>
 #include_next <kernel-features.h>
 
 /* The ARM kernel before 3.14.3 may or may not support
@@ -49,3 +50,9 @@
 
 #undef __ASSUME_CLONE_DEFAULT
 #define __ASSUME_CLONE_BACKWARDS	1
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+# define __ASSUME_SYSVIPC_BROKEN_MODE_T
+#endif
+
+#undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/arm/sys/elf.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/arm/sys/elf.h
index e6b31aff0bf9c168b08db0c25be113b48c945032..591e0d8a88192a152206da82c6bf9632734ed24c 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/arm/sys/elf.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/arm/sys/elf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_ELF_H
 #define _SYS_ELF_H	1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/arm/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/arm/sysdep.h
index 9b4ed8d6a5681d8a1bfcde5510c3f5dd1f251ead..0c5f498583a5c237a77666140052f25b2ed1fd36 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/arm/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/arm/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.
    ARM changes by Philip Blundell, <pjb27@cam.ac.uk>, May 1997.
@@ -15,14 +15,11 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_ARM_SYSDEP_H
 #define _LINUX_ARM_SYSDEP_H 1
 
-/* Always enable vsyscalls on arm */
-#define ALWAYS_USE_VSYSCALL 1
-
 /* There is some commonality.  */
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <sysdeps/unix/arm/sysdep.h>
@@ -380,10 +377,6 @@ __local_syscall_error:						\
 #define INTERNAL_SYSCALL(name, err, nr, args...)		\
 	INTERNAL_SYSCALL_RAW(SYS_ify(name), err, nr, args)
 
-#undef INTERNAL_SYSCALL_ARM
-#define INTERNAL_SYSCALL_ARM(name, err, nr, args...)		\
-	INTERNAL_SYSCALL_RAW(__ARM_NR_##name, err, nr, args)
-
 #undef INTERNAL_SYSCALL_ERROR_P
 #define INTERNAL_SYSCALL_ERROR_P(val, err) \
   ((unsigned int) (val) >= 0xfffff001u)
@@ -391,9 +384,13 @@ __local_syscall_error:						\
 #undef INTERNAL_SYSCALL_ERRNO
 #define INTERNAL_SYSCALL_ERRNO(val, err)	(-(val))
 
+#define VDSO_NAME  "LINUX_2.6"
+#define VDSO_HASH  61765110
+
 /* List of system calls which are supported as vsyscalls.  */
-#define HAVE_CLOCK_GETTIME_VSYSCALL	1
-#define HAVE_GETTIMEOFDAY_VSYSCALL	1
+#define HAVE_CLOCK_GETTIME_VSYSCALL	"__vdso_clock_gettime"
+#define HAVE_CLOCK_GETTIME64_VSYSCALL	"__vdso_clock_gettime64"
+#define HAVE_GETTIMEOFDAY_VSYSCALL	"__vdso_gettimeofday"
 
 #define LOAD_ARGS_0()
 #define ASM_ARGS_0
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/bits/stat.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/bits/stat.h
index 7946fe2d519d97470eb5f356e58a714a8c130e2a..240628a6f4c9028a774c26a04a145c24110f669b 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/bits/stat.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/bits/timex.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/bits/timex.h
index bb272e8b19b9e378591b56155d5d2a56476912dc..9adb0bcc60d2b2f1474a8b29601966e6d94b05b7 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/bits/timex.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/bits/timex.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_BITS_TIMEX_H
 #define	_BITS_TIMEX_H	1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/dl-sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/dl-sysdep.h
index 4239db0ae9352482ab2a5084e75cba202c501e0c..8ed45503e78eea95eda10a5fcd6c8da963e10396 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/dl-sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/dl-sysdep.h
@@ -1,5 +1,5 @@
 /* System-specific settings for dynamic linker code.  Linux version.
-   Copyright (C) 2005-2019 Free Software Foundation, Inc.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include_next <dl-sysdep.h>
 
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/generic/bits/stat.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/generic/bits/stat.h
index e5c26501047a9ec08bfb8004dd5793e9449a32e7..8d0980f0f5a98b093edeb4360862b9db6f14d7a8 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/generic/bits/stat.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/generic/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2011-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
@@ -23,7 +23,7 @@
 #ifndef _BITS_STAT_H
 #define _BITS_STAT_H	1
 
-#include <endian.h>
+#include <bits/endian.h>
 #include <bits/wordsize.h>
 
 /* 64-bit libc uses the kernel's 'struct stat', accessed via the
@@ -42,7 +42,10 @@
 
 #if defined __USE_FILE_OFFSET64
 # define __field64(type, type64, name) type64 name
-#elif __WORDSIZE == 64
+#elif __WORDSIZE == 64 || defined __INO_T_MATCHES_INO64_T
+# if defined __INO_T_MATCHES_INO64_T && !defined __OFF_T_MATCHES_OFF64_T
+#  error "ino_t and off_t must both be the same type"
+# endif
 # define __field64(type, type64, name) type name
 #elif __BYTE_ORDER == __LITTLE_ENDIAN
 # define __field64(type, type64, name) \
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/generic/bits/typesizes.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
index 3ef1281c8add2f06d505df4dddd754f528f0a553..a916dea0473429f7dc35cb45864a07f3e62ed15c 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  For the generic Linux ABI.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -73,10 +73,14 @@
 
 /* And for __rlim_t and __rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
-#endif
 
+# define __STATFS_MATCHES_STATFS64  0
+#endif
 /* Number of descriptors that can fit in an `fd_set'.  */
 #define	__FD_SETSIZE		1024
 
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/generic/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/generic/sysdep.h
index 8f2c310722dd3e1f8ab318fc5ce3a44349b2877e..23defce7c3e1be9ff5a91790124c6f30e648daed 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/generic/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/generic/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2011-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <bits/wordsize.h>
 #include <kernel-features.h>
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/hppa/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/hppa/kernel-features.h
index b6af135c2e5fa535d66b0fd7db0b5c7000990263..8548b5c2586fe9b2706d3d597937fac07d13b36b 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/hppa/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/hppa/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.
-   Copyright (C) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 
 /* Support for the utimes syscall was added in 3.14.  */
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/hppa/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/hppa/sysdep.h
index 9bff30d56dcae185a197cb79235a71587cc0a3e9..6c34189eca1f53057f22b48f1d8a464d2b584b37 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/hppa/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/hppa/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for PA-RISC.
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper, <drepper@cygnus.com>, August 1999.
    Linux/PA-RISC changes by Philipp Rumpf, <prumpf@tux.org>, March 2000.
@@ -16,7 +16,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_HPPA_SYSDEP_H
 #define _LINUX_HPPA_SYSDEP_H 1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/i386/dl-sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/i386/dl-sysdep.h
index f8d7c0cf7b3a021bd4863d48849304982caed553..03ba2922d790737a9b436163831041c762476086 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/i386/dl-sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/i386/dl-sysdep.h
@@ -1,5 +1,5 @@
 /* System-specific settings for dynamic linker code.  i386 version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_I386_DL_SYSDEP_H
 
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/i386/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/i386/kernel-features.h
index 3ac725b5a20dc21af2f5e162cad9e81e782d6bd8..64202a1e8424b36736143a5418656fafedf9e94d 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/i386/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/i386/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.  i386 version.
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Direct socketcalls available with kernel 4.3.  */
 #if __LINUX_KERNEL_VERSION >= 0x040300
@@ -43,8 +43,11 @@
 # undef __ASSUME_SENDTO_SYSCALL
 #endif
 
-/* i686 only supports ipc syscall.  */
-#undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+/* i686 only supports ipc syscall before 5.1.  */
+#if __LINUX_KERNEL_VERSION < 0x050100
+# undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+# undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
+#endif
 
 #undef __ASSUME_CLONE_DEFAULT
 #define __ASSUME_CLONE_BACKWARDS	1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/i386/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/i386/sysdep.h
index 0be10744ff445e4041ca719c29920f5b47d26c5a..4aa7bb496a76da2784b19e1cc0d1a5a925cb7182 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/i386/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper, <drepper@gnu.org>, August 1995.
 
@@ -14,14 +14,11 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_I386_SYSDEP_H
 #define _LINUX_I386_SYSDEP_H 1
 
-/* Always enable vsyscalls on i386 */
-#define ALWAYS_USE_VSYSCALL 1
-
 /* There is some commonality.  */
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <sysdeps/unix/i386/sysdep.h>
@@ -312,9 +309,15 @@ struct libc_do_syscall_args
 #define INLINE_SYSCALL_ERROR_RETURN_VALUE(resultvar) \
   __syscall_error (-(resultvar))
 
+# define VDSO_NAME  "LINUX_2.6"
+# define VDSO_HASH  61765110
+
 /* List of system calls which are supported as vsyscalls.  */
-# define HAVE_CLOCK_GETTIME_VSYSCALL    1
-# define HAVE_GETTIMEOFDAY_VSYSCALL     1
+# define HAVE_CLOCK_GETTIME_VSYSCALL    "__vdso_clock_gettime"
+# define HAVE_CLOCK_GETTIME64_VSYSCALL  "__vdso_clock_gettime64"
+# define HAVE_GETTIMEOFDAY_VSYSCALL     "__vdso_gettimeofday"
+# define HAVE_TIME_VSYSCALL             "__vdso_time"
+# define HAVE_CLOCK_GETRES_VSYSCALL     "__vdso_clock_getres"
 
 /* Define a macro which expands inline into the wrapper code for a system
    call.  This use is for internal calls that do not need to handle errors
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/bits/endian.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/bits/endian.h
deleted file mode 100644
index 98a5e239916cf58bcb9181871c1a12f354d3153d..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/bits/endian.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* Linux/ia64 is little-endian.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/bits/stat.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/bits/stat.h
index 76672a8146671b8b0274a1d0bb0bdb08663a720a..608e988ae6ace973266f201e88e1112b220f696c 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/bits/stat.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/dl-sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/dl-sysdep.h
index d514a10c5b508ca3820fc754a0d21e6cee9544ef..78fa6dd2c97d752d0d229ea1a33b98e5c1623cb6 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/dl-sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/dl-sysdep.h
@@ -1,5 +1,5 @@
 /* System-specific settings for dynamic linker code.  IA-64 version.
-   Copyright (C) 2003-2019 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_IA64_DL_SYSDEP_H
 #define _LINUX_IA64_DL_SYSDEP_H	1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/kernel-features.h
index 333947931d3bb715fa5a8f983040c9e57a16fae5..2376d14e526e787fd9d09fd071670a273319f4e4 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.
-   Copyright (C) 2010-2019 Free Software Foundation, Inc.
+   Copyright (C) 2010-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _KERNEL_FEATURES_H
 #define _KERNEL_FEATURES_H 1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/sysdep.h
index 3328502efed4988d4c286a9c22a3ad59787f6ebc..59442c50e97622626defa3b6daccd62a94978eda 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/ia64/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
    Based on code originally written by David Mosberger-Tang
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_IA64_SYSDEP_H
 #define _LINUX_IA64_SYSDEP_H 1
@@ -25,6 +25,7 @@
 #include <sysdeps/ia64/sysdep.h>
 #include <dl-sysdep.h>
 #include <tls.h>
+#include <asm/break.h>
 
 /* In order to get __set_errno() definition in INLINE_SYSCALL.  */
 #ifndef __ASSEMBLER__
@@ -45,16 +46,6 @@
 #undef SYS_ify
 #define SYS_ify(syscall_name)	__NR_##syscall_name
 
-/* This is a kludge to make syscalls.list find these under the names
-   pread and pwrite, since some kernel headers define those names
-   and some define the *64 names for the same system calls.  */
-#if !defined __NR_pread && defined __NR_pread64
-# define __NR_pread __NR_pread64
-#endif
-#if !defined __NR_pwrite && defined __NR_pwrite64
-# define __NR_pwrite __NR_pwrite64
-#endif
-
 /* This is to help the old kernel headers where __NR_semtimedop is not
    available.  */
 #ifndef __NR_semtimedop
@@ -115,7 +106,7 @@
 
 #define DO_CALL_VIA_BREAK(num)			\
 	mov r15=num;				\
-	break __BREAK_SYSCALL
+	break __IA64_BREAK_SYSCALL
 
 #ifdef IA64_USE_NEW_STUB
 # ifdef SHARED
@@ -229,7 +220,7 @@
     register long _r15 asm ("r15") = name;			\
     long _retval;						\
     LOAD_REGS_##nr						\
-    __asm __volatile (BREAK_INSN (__BREAK_SYSCALL)		\
+    __asm __volatile (BREAK_INSN (__IA64_BREAK_SYSCALL)		\
 		      : "=r" (_r8), "=r" (_r10), "=r" (_r15)	\
 			ASM_OUTARGS_##nr			\
 		      : "2" (_r15) ASM_ARGS_##nr		\
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/include/bits/syscall.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/include/bits/syscall.h
deleted file mode 100644
index 3e60262486d23f71a44e3c0c338643bc29835c56..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/include/bits/syscall.h
+++ /dev/null
@@ -1,3 +0,0 @@
-/* The real bits/syscall.h is generated during the build, in
-   $(objdir)/misc/bits.  */
-#include <misc/bits/syscall.h>
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/include/sys/timex.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/include/sys/timex.h
index 575d2a1cb0743b0caea76321dfc74839d735fe2f..319d566608ef6ed30396410b569e82a5236ed31f 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/include/sys/timex.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/include/sys/timex.h
@@ -1,5 +1,5 @@
 /* Internal declarations for sys/timex.h.
-   Copyright (C) 2014-2019 Free Software Foundation, Inc.
+   Copyright (C) 2014-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_INCLUDE_SYS_TIMEX_H
 #define	_INCLUDE_SYS_TIMEX_H	1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/kernel-features.h
index 1518bb522878bc251dc99121a23ba55e8a714443..32533e94cf6febc396bf9fdcae6f00084c915049 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,11 +15,16 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This file must not contain any C code.  At least it must be protected
    to allow using the file also in assembler files.  */
 
+#ifndef _LINUX_KERNEL_FEATURES_H
+#define _LINUX_KERNEL_FEATURES_H 1
+
+#include <bits/wordsize.h>
+
 #ifndef __LINUX_KERNEL_VERSION
 /* We assume the worst; all kernels should be supported.  */
 # define __LINUX_KERNEL_VERSION	0
@@ -80,6 +85,17 @@
 /* Support for SysV IPC through wired syscalls.  All supported architectures
    either support ipc syscall and/or all the ipc correspondent syscalls.  */
 #define __ASSUME_DIRECT_SYSVIPC_SYSCALLS	1
+/* The generic default __IPC_64 value is 0x0, however some architectures
+   require a different value of 0x100.  */
+#define __ASSUME_SYSVIPC_DEFAULT_IPC_64		1
+
+/* All supported architectures reserve a 32-bit for MODE field in sysvipc
+   ipc_perm.  However, some kernel ABI interfaces still expect a 16-bit
+   field.  This is only an issue if arch-defined IPC_PERM padding is on a
+   wrong position regarding endianness.  In this case, the IPC control
+   routines (msgctl, semctl, and semtctl) requires to shift the value to
+   correct place.
+   The ABIs that requires it define __ASSUME_SYSVIPC_BROKEN_MODE_T.  */
 
 /* Support for p{read,write}v2 was added in 4.6.  However Linux default
    implementation does not assume the __ASSUME_* and instead use a fallback
@@ -139,3 +155,63 @@
    */
 
 #define __ASSUME_CLONE_DEFAULT 1
+
+/* Support for 64-bit time_t in the system call interface.  When this
+   flag is set, the kernel provides a version of each of these system
+   calls that accepts 64-bit time_t:
+
+     clock_adjtime(64)
+     clock_gettime(64)
+     clock_settime(64)
+     clock_getres(_time64)
+     clock_nanosleep(_time64)
+     futex(_time64)
+     mq_timedreceive(_time64)
+     mq_timedsend(_time64)
+     ppoll(_time64)
+     pselect6(_time64)
+     rt_sigtimedwait(_time64)
+     sched_rr_get_interval(_time64)
+     timer_gettime(64)
+     timer_settime(64)
+     timerfd_gettime(64)
+     timerfd_settime(64)
+     utimensat(_time64)
+
+   On architectures where time_t has historically been 64 bits,
+   only the 64-bit version of each system call exists, and there
+   are no suffixes on the __NR_ constants.
+
+   On architectures where time_t has historically been 32 bits,
+   both 32-bit and 64-bit versions of each system call may exist,
+   depending on the kernel version.  When the 64-bit version exists,
+   there is a '64' or '_time64' suffix on the name of its __NR_
+   constant, as shown above.
+
+   This flag is always set for Linux 5.1 and later.  Prior to that
+   version, it is set only for some CPU architectures and ABIs:
+
+   - __WORDSIZE == 64 - all supported architectures where pointers
+     are 64 bits also have always had 64-bit time_t.
+
+   - __WORDSIZE == 32 && __SYSCALL_WORDSIZE == 64 - this describes
+     only one supported configuration, x86's 'x32' subarchitecture,
+     where pointers are 32 bits but time_t has always been 64 bits.
+
+   __ASSUME_TIME64_SYSCALLS being set does not mean __TIMESIZE is 64,
+   and __TIMESIZE equal to 64 does not mean __ASSUME_TIME64_SYSCALLS
+   is set.  All four cases are possible.  */
+
+#if __LINUX_KERNEL_VERSION >= 0x050100                          \
+  || __WORDSIZE == 64                                           \
+  || (defined __SYSCALL_WORDSIZE && __SYSCALL_WORDSIZE == 64)
+# define __ASSUME_TIME64_SYSCALLS 1
+#endif
+
+/* Linux waitid prior kernel 5.4 does not support waiting for the current
+   process group.  */
+#if __LINUX_KERNEL_VERSION >= 0x050400
+# define __ASSUME_WAITID_PID0_P_PGID
+#endif
+
+#endif /* kernel-features.h */
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/bits/stat.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/bits/stat.h
index 7a537e807c0051e73b580a8d24887ed545fa15c0..453dcac709d54d639dd4b5fcde64b4d9f67bfd2d 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/bits/stat.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/coldfire/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/coldfire/sysdep.h
index 0aa224b7d6f2e961652e56faef0400152713f1e2..d641ee844cbb236668f28002b991f3b7c6b9ecdf 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/coldfire/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/coldfire/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2010-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2010-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_M68K_COLDFIRE_SYSDEP_H
 #define _LINUX_M68K_COLDFIRE_SYSDEP_H 1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/kernel-features.h
index 1976724362828e8be34b810044eafff96d906e4e..4cdaf93e6d0d92455ab6be66f6db4f118c11e4fe 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.
-   Copyright (C) 2008-2019 Free Software Foundation, Inc.
+   Copyright (C) 2008-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Direct socketcalls available with kernel 4.3.  */
 #if __LINUX_KERNEL_VERSION >= 0x040300
@@ -50,5 +50,9 @@
 # undef __ASSUME_SET_ROBUST_LIST
 #endif
 
-/* m68k only supports ipc syscall.  */
-#undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+/* m68k only supports ipc syscall before 5.1.  */
+#if __LINUX_KERNEL_VERSION < 0x050100
+# undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+# undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
+#endif
+#define __ASSUME_SYSVIPC_BROKEN_MODE_T
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/m680x0/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/m680x0/sysdep.h
index cfb0756e1a0bfc09a1e4976394234d07c4ee7f27..dc468053f15c903641f0c26f2e5e3334bf7318d0 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/m680x0/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/m680x0/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2010-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2010-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_M68K_M680X0_SYSDEP_H
 #define _LINUX_M68K_M680X0_SYSDEP_H 1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/sysdep.h
index cd88bd6f7f55488c7e2d6de4900b7c5b9d34e654..5cd35fffcfa127fe32e56fef0ccc122de2a81d55 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/m68k/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Andreas Schwab, <schwab@issan.informatik.uni-dortmund.de>,
    December 1995.
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <tls.h>
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/microblaze/bits/stat.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/microblaze/bits/stat.h
index 3af82656c6592928ae4961e034312b21dc7e9582..c5817e5b778c528fc42ef6adabd849dd4eb9ced4 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/microblaze/bits/stat.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/microblaze/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/microblaze/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
index a7874092950788efcd0c831d6ccf4f9cc69a19cf..def8408014b7a3aeb73a2b8f0e25b56097e3c623 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2011-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,8 +13,9 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
+#include <endian.h>
 
 /* All supported kernel versions for MicroBlaze have these syscalls.  */
 #define __ASSUME_SOCKET_SYSCALL		1
@@ -67,3 +68,8 @@
 
 #undef __ASSUME_CLONE_DEFAULT
 #define __ASSUME_CLONE_BACKWARDS3
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+# define __ASSUME_SYSVIPC_BROKEN_MODE_T
+#endif
+#undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/microblaze/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/microblaze/sysdep.h
index 1228d0c576ef7571e3386df4732f2a792acecacb..ed873d9dd42274087a80e5749a13d746b2443fba 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/microblaze/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/microblaze/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_MICROBLAZE_SYSDEP_H
 #define _LINUX_MICROBLAZE_SYSDEP_H 1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/bits/stat.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/bits/stat.h
index 14b10b37c022b70e9847d9c00246ae818f7fd9f5..b0e6726655cbb4bc92d4e31f1eb80be395fd1165 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/bits/stat.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/kernel-features.h
index c341c3fa10ee9e01d6ff5b5ec2ee2b288e09847e..a9862f92b77ce2b3ca58e5d81240ed05f74b1da9 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sgidefs.h>
 
@@ -31,8 +31,12 @@
    pairs to start with an even-number register.  */
 #if _MIPS_SIM == _ABIO32
 # define __ASSUME_ALIGNED_REGISTER_PAIRS	1
-/* mips32 only supports ipc syscall.  */
-# undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+/* mips32 only supports ipc syscall before 5.1.  */
+# if __LINUX_KERNEL_VERSION < 0x050100
+#  undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+#  undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
+# else
+# endif
 
 /* The o32 MIPS fadvise64 syscall behaves as fadvise64_64.  */
 # define __ASSUME_FADVISE64_AS_64_64		1
@@ -40,6 +44,8 @@
 /* mips32 support wire-up network syscalls.  */
 # define __ASSUME_RECV_SYSCALL		1
 # define __ASSUME_SEND_SYSCALL		1
+#else
+# undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
 #endif
 
 /* Define that mips64-n32 is a ILP32 ABI to set the correct interface to
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
index 5a2704e3e8df1f259a0356e56da65452b867b4b1..beefcf284b885d5310fb85d1a1f9887663a0fc20 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,15 +13,13 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_MIPS_MIPS32_SYSDEP_H
 #define _LINUX_MIPS_MIPS32_SYSDEP_H 1
 
-/* Always enable vsyscalls on mips32.  */
-#define ALWAYS_USE_VSYSCALL 1
-
 /* There is some commonality.  */
+#include <sysdeps/unix/sysv/linux/mips/sysdep.h>
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <sysdeps/unix/mips/mips32/sysdep.h>
 
@@ -348,24 +346,13 @@ libc_hidden_proto (__mips_syscall7, nomips16)
 	_sc_ret.reg.v0;							\
 })
 
-#define __SYSCALL_CLOBBERS "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
-	"$14", "$15", "$24", "$25", "hi", "lo", "memory"
-
-/* Standard MIPS syscalls have an error flag, and return a positive errno
-   when the error flag is set. Emulate this behaviour for vsyscalls so that
-   the INTERNAL_SYSCALL_{ERROR_P,ERRNO} macros work correctly.  */
-#define INTERNAL_VSYSCALL_CALL(funcptr, err, nr, args...)		\
-  ({									\
-    long _ret = funcptr (args);						\
-    err = ((unsigned long) (_ret) >= (unsigned long) -4095L);		\
-    if (err)								\
-      _ret = -_ret;							\
-    _ret;								\
-  })
-
-/* List of system calls which are supported as vsyscalls.  */
-#define HAVE_CLOCK_GETTIME_VSYSCALL	1
-#define HAVE_GETTIMEOFDAY_VSYSCALL	1
+#if __mips_isa_rev >= 6
+# define __SYSCALL_CLOBBERS "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
+	 "$14", "$15", "$24", "$25", "memory"
+#else
+# define __SYSCALL_CLOBBERS "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
+	 "$14", "$15", "$24", "$25", "hi", "lo", "memory"
+#endif
 
 #endif /* __ASSEMBLER__ */
 
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h
index a4f35470309e34b5c55add9e55a1a747a3923b71..f96636538a80861a235452315e89c2e6b37a00a3 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,15 +13,13 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_MIPS_SYSDEP_H
 #define _LINUX_MIPS_SYSDEP_H 1
 
-/* Always enable vsyscalls on n32.  */
-#define ALWAYS_USE_VSYSCALL 1
-
 /* There is some commonality.  */
+#include <sysdeps/unix/sysv/linux/mips/sysdep.h>
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <sysdeps/unix/mips/mips64/n32/sysdep.h>
 
@@ -296,24 +294,13 @@
 	_sys_result;							\
 })
 
-#define __SYSCALL_CLOBBERS "$1", "$3", "$10", "$11", "$12", "$13", \
-	"$14", "$15", "$24", "$25", "hi", "lo", "memory"
-
-/* Standard MIPS syscalls have an error flag, and return a positive errno
-   when the error flag is set. Emulate this behaviour for vsyscalls so that
-   the INTERNAL_SYSCALL_{ERROR_P,ERRNO} macros work correctly.  */
-#define INTERNAL_VSYSCALL_CALL(funcptr, err, nr, args...)		\
-  ({									\
-    long _ret = funcptr (args);						\
-    err = ((unsigned long) (_ret) >= (unsigned long) -4095L);		\
-    if (err)								\
-      _ret = -_ret;							\
-    _ret;								\
-  })
-
-/* List of system calls which are supported as vsyscalls.  */
-#define HAVE_CLOCK_GETTIME_VSYSCALL	1
-#define HAVE_GETTIMEOFDAY_VSYSCALL	1
+#if __mips_isa_rev >= 6
+# define __SYSCALL_CLOBBERS "$1", "$3", "$10", "$11", "$12", "$13", \
+	 "$14", "$15", "$24", "$25", "memory"
+#else
+# define __SYSCALL_CLOBBERS "$1", "$3", "$10", "$11", "$12", "$13", \
+	 "$14", "$15", "$24", "$25", "hi", "lo", "memory"
+#endif
 
 #endif /* __ASSEMBLER__ */
 
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h
index 5b4d27757dad00493484fb28c531fe11ba819f97..9d30291f8465f0c6dd988c773e076a9ad94a75d2 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,15 +13,13 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_MIPS_SYSDEP_H
 #define _LINUX_MIPS_SYSDEP_H 1
 
-/* Always enable vsyscalls on n64.  */
-#define ALWAYS_USE_VSYSCALL 1
-
 /* There is some commonality.  */
+#include <sysdeps/unix/sysv/linux/mips/sysdep.h>
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <sysdeps/unix/mips/mips64/n64/sysdep.h>
 
@@ -292,24 +290,13 @@
 	_sys_result;							\
 })
 
-#define __SYSCALL_CLOBBERS "$1", "$3", "$10", "$11", "$12", "$13", \
-	"$14", "$15", "$24", "$25", "hi", "lo", "memory"
-
-/* Standard MIPS syscalls have an error flag, and return a positive errno
-   when the error flag is set. Emulate this behaviour for vsyscalls so that
-   the INTERNAL_SYSCALL_{ERROR_P,ERRNO} macros work correctly.  */
-#define INTERNAL_VSYSCALL_CALL(funcptr, err, nr, args...)		\
-  ({									\
-    long _ret = funcptr (args);						\
-    err = ((unsigned long) (_ret) >= (unsigned long) -4095L);		\
-    if (err)								\
-      _ret = -_ret;							\
-    _ret;								\
-  })
-
-/* List of system calls which are supported as vsyscalls.  */
-#define HAVE_CLOCK_GETTIME_VSYSCALL	1
-#define HAVE_GETTIMEOFDAY_VSYSCALL	1
+#if __mips_isa_rev >= 6
+# define __SYSCALL_CLOBBERS "$1", "$3", "$10", "$11", "$12", "$13", \
+	 "$14", "$15", "$24", "$25", "memory"
+#else
+# define __SYSCALL_CLOBBERS "$1", "$3", "$10", "$11", "$12", "$13", \
+	 "$14", "$15", "$24", "$25", "hi", "lo", "memory"
+#endif
 
 #endif /* __ASSEMBLER__ */
 
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/bits/stat.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/bits/stat.h
index 06c49b7b3f4a6f2b3c4efadc6f30eb9d8c03579c..61781bd9029b992ebafb0229a5326f4052f4c0d6 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/bits/stat.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
index 413a185db3a3e7776aea94a8cad892be8bfe303e..a18a2ee97f5ed4afb991d04614d7ec54cfc7b28f 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.  PowerPC version.
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* New syscalls added for PowerPC in 2.6.37.  */
 #define __ASSUME_SOCKET_SYSCALL	1
@@ -44,8 +44,11 @@
 
 #include_next <kernel-features.h>
 
-/* powerpc only supports ipc syscall.  */
-#undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+/* powerpc only supports ipc syscall before 5.1.  */
+#if __LINUX_KERNEL_VERSION < 0x050100
+# undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+# undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
+#endif
 
 #undef __ASSUME_CLONE_DEFAULT
 #define __ASSUME_CLONE_BACKWARDS	1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
index bdbab8e41b7732839b42fd1811bbaf5b041a8d2f..725dfafde8670818d871c24b6b366fea902af781 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,14 +13,12 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_POWERPC_SYSDEP_H
 #define _LINUX_POWERPC_SYSDEP_H 1
 
-/* Always enable vsyscalls on powerpc32 */
-#define ALWAYS_USE_VSYSCALL 1
-
+#include <sysdeps/unix/sysv/linux/powerpc/sysdep.h>
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <sysdeps/unix/powerpc/sysdep.h>
 #include <tls.h>
@@ -43,7 +41,7 @@
    function call, with the exception of LR (which is needed for the
    "sc; bnslr+" sequence) and CR (where only CR0.SO is clobbered to signal
    an error return status).  */
-# define INTERNAL_VSYSCALL_CALL_TYPE(funcptr, err, nr, type, args...)	      \
+# define INTERNAL_VSYSCALL_CALL_TYPE(funcptr, err, type, nr, args...)	      \
   ({									      \
     register void *r0  __asm__ ("r0");					      \
     register long int r3  __asm__ ("r3");				      \
@@ -71,7 +69,7 @@
   })
 
 #define INTERNAL_VSYSCALL_CALL(funcptr, err, nr, args...) \
-  INTERNAL_VSYSCALL_CALL_TYPE(funcptr, err, nr, long int, args)
+  INTERNAL_VSYSCALL_CALL_TYPE(funcptr, err, long int, nr, args)
 
 # undef INLINE_SYSCALL
 # define INLINE_SYSCALL(name, nr, args...)				\
@@ -133,26 +131,6 @@
 # undef INTERNAL_SYSCALL_ERRNO
 # define INTERNAL_SYSCALL_ERRNO(val, err)     (val)
 
-# define INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK(name, err, type, nr, args...)  \
-  ({									      \
-    type sc_ret = ENOSYS;						      \
-									      \
-    __typeof (__vdso_##name) vdsop = __vdso_##name;			      \
-    PTR_DEMANGLE (vdsop);						      \
-    if (vdsop != NULL)							      \
-      sc_ret = 								      \
-        INTERNAL_VSYSCALL_CALL_TYPE (vdsop, err, nr, type, ##args);	      \
-    else								      \
-      err = 1 << 28;							      \
-    sc_ret;								      \
-  })
-
-/* List of system calls which are supported as vsyscalls.  */
-# define HAVE_CLOCK_GETRES_VSYSCALL	1
-# define HAVE_CLOCK_GETTIME_VSYSCALL	1
-# define HAVE_GETCPU_VSYSCALL		1
-
-
 # define LOADARGS_0(name, dummy)					      \
 	r0 = name
 # define LOADARGS_1(name, __arg1) \
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
index 294517e3f3e4f3061b0f18f3047e85284a72558a..ee7f43653d9aa0e17c3334154d7622ef397ceb3d 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,16 +13,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Alan Modra <amodra@bigpond.net.au> rewrote the INLINE_SYSCALL macro */
 
 #ifndef _LINUX_POWERPC_SYSDEP_H
 #define _LINUX_POWERPC_SYSDEP_H 1
 
-/* Always enable vsyscalls on powerpc64 */
-#define ALWAYS_USE_VSYSCALL 1
-
+#include <sysdeps/unix/sysv/linux/powerpc/sysdep.h>
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <sysdeps/unix/powerpc/sysdep.h>
 #include <tls.h>
@@ -47,27 +45,6 @@
 
 #endif /* __ASSEMBLER__ */
 
-/* This version is for internal uses when there is no desire
-   to set errno */
-#define INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK(name, err, type, nr, args...)   \
-  ({									      \
-    type sc_ret = ENOSYS;						      \
-									      \
-    __typeof (__vdso_##name) vdsop = __vdso_##name;			      \
-    PTR_DEMANGLE (vdsop);						      \
-    if (vdsop != NULL)							      \
-      sc_ret =								      \
-        INTERNAL_VSYSCALL_CALL_TYPE (vdsop, err, type, nr, ##args);	      \
-    else								      \
-      err = 1 << 28;							      \
-    sc_ret;								      \
-  })
-
-/* List of system calls which are supported as vsyscalls.  */
-#define HAVE_CLOCK_GETRES_VSYSCALL	1
-#define HAVE_CLOCK_GETTIME_VSYSCALL	1
-#define HAVE_GETCPU_VSYSCALL		1
-
 /* Define a macro which expands inline into the wrapper code for a system
    call. This use is for internal calls that do not need to handle errors
    normally. It will never touch errno. This returns just what the kernel
@@ -101,10 +78,9 @@
 #define INTERNAL_VSYSCALL_CALL(funcptr, err, nr, args...)		\
   INTERNAL_VSYSCALL_CALL_TYPE(funcptr, err, long int, nr, args)
 
-#undef INLINE_SYSCALL
-
 /* This version is for kernels that implement system calls that
    behave like function calls as far as register saving.  */
+#undef INLINE_SYSCALL
 #define INLINE_SYSCALL(name, nr, args...)				\
   ({									\
     INTERNAL_SYSCALL_DECL (sc_err);					\
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/riscv/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/riscv/kernel-features.h
index a958750bbc10381d4cf6a77c23aaef23627e49cc..65feee48903629d2cf57a768c80d76b51db40837 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/riscv/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/riscv/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.  RISC-V version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include_next <kernel-features.h>
 
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/riscv/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/riscv/sysdep.h
index 5470ea3d2a6882ad34e5fc924517fd6fc98add2b..201bf9a91b967575fe45f8c2eac41d3dd297f1e0 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/riscv/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/riscv/sysdep.h
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_RISCV_SYSDEP_H
 #define _LINUX_RISCV_SYSDEP_H 1
@@ -121,11 +121,14 @@
 
 #ifndef __ASSEMBLER__
 
+# define VDSO_NAME  "LINUX_4.15"
+# define VDSO_HASH  182943605
+
 /* List of system calls which are supported as vsyscalls.  */
-# define HAVE_CLOCK_GETRES_VSYSCALL	1
-# define HAVE_CLOCK_GETTIME_VSYSCALL	1
-# define HAVE_GETTIMEOFDAY_VSYSCALL	1
-# define HAVE_GETCPU_VSYSCALL		1
+# define HAVE_CLOCK_GETRES64_VSYSCALL	"__vdso_clock_getres"
+# define HAVE_CLOCK_GETTIME64_VSYSCALL	"__vdso_clock_gettime"
+# define HAVE_GETTIMEOFDAY_VSYSCALL	"__vdso_gettimeofday"
+# define HAVE_GETCPU_VSYSCALL		"__vdso_getcpu"
 
 /* Define a macro which expands into the inline wrapper code for a system
    call.  */
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/bits/stat.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/bits/stat.h
index 7c3e7db17172652a6b68af7f943c881b891715ba..b383a986922fce36c9bdfd3386258126bac0e88c 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/bits/stat.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/bits/typesizes.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/bits/typesizes.h
index e42105700a65065c384aa3811d57f9a68bff9d52..45f70184eaf342641e022f376c5a1bd48deff699 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/bits/typesizes.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Linux/s390 version.
-   Copyright (C) 2003-2019 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -78,8 +78,13 @@
 
 /* And for __rlim_t and __rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
+
+# define __STATFS_MATCHES_STATFS64  0
 #endif
 
 /* Number of descriptors that can fit in an `fd_set'.  */
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/kernel-features.h
index 8fdf38c45491ca12ce3bb9c4adbb64bec534dcb4..831d0ab7d5509426c474b1c7bdd0a4db145e41e6 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.  S/390 version.
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Direct socketcalls available with kernel 4.3.  */
 #if __LINUX_KERNEL_VERSION >= 0x040300
@@ -45,8 +45,14 @@
 # undef __ASSUME_SENDTO_SYSCALL
 #endif
 
-/* s390 only supports ipc syscall.  */
-#undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+/* s390 only supports ipc syscall before 5.1.  */
+#if __LINUX_KERNEL_VERSION < 0x050100
+# undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+# undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
+#endif
+#ifndef __s390x__
+# define __ASSUME_SYSVIPC_BROKEN_MODE_T
+#endif
 
 #undef __ASSUME_CLONE_DEFAULT
 #define __ASSUME_CLONE_BACKWARDS2
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
index 640fb52de19aef133399057f558a88bb8850726f..f52b8b8735d38c4cd06c99993644d7b0820187c1 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -14,13 +14,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_S390_SYSDEP_H
 #define _LINUX_S390_SYSDEP_H
 
 #include <sysdeps/s390/s390-32/sysdep.h>
 #include <sysdeps/unix/sysdep.h>
+#include <sysdeps/unix/sysv/linux/s390/sysdep.h>
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <dl-sysdep.h>	/* For RTLD_PRIVATE_ERRNO.  */
 #include <tls.h>
@@ -271,12 +272,6 @@
 #define ASMFMT_5 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6)
 #define ASMFMT_6 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6), "d" (gpr7)
 
-/* List of system calls which are supported as vsyscalls.  */
-#define HAVE_CLOCK_GETRES_VSYSCALL	1
-#define HAVE_CLOCK_GETTIME_VSYSCALL	1
-#define HAVE_GETTIMEOFDAY_VSYSCALL	1
-#define HAVE_GETCPU_VSYSCALL		1
-
 /* Pointer mangling support.  */
 #if IS_IN (rtld)
 /* We cannot use the thread descriptor because in ld.so we use setjmp
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
index 9a9834c750f3bd8c3b761cd7918e15c1f1ae6901..9ff4479dc393b9016da194d59d2a70a1e3864c22 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for 64 bit S/390.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -15,13 +15,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_S390_SYSDEP_H
 #define _LINUX_S390_SYSDEP_H
 
 #include <sysdeps/s390/s390-64/sysdep.h>
 #include <sysdeps/unix/sysdep.h>
+#include <sysdeps/unix/sysv/linux/s390/sysdep.h>
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <dl-sysdep.h>	/* For RTLD_PRIVATE_ERRNO.  */
 #include <tls.h>
@@ -277,12 +278,6 @@
 #define ASMFMT_5 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6)
 #define ASMFMT_6 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6), "d" (gpr7)
 
-/* List of system calls which are supported as vsyscalls.  */
-#define HAVE_CLOCK_GETRES_VSYSCALL	1
-#define HAVE_CLOCK_GETTIME_VSYSCALL	1
-#define HAVE_GETTIMEOFDAY_VSYSCALL	1
-#define HAVE_GETCPU_VSYSCALL		1
-
 #define SINGLE_THREAD_BY_GLOBAL		1
 
 /* Pointer mangling support.  */
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/sys/elf.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/sys/elf.h
index ecbfd6e30ff8d6b8a6f56fdd644266202e2fb3ba..4955e37b75843c3d6da4a72c97be443426a0e757 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/sys/elf.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/s390/sys/elf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_ELF_H
 #define _SYS_ELF_H	1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/sh/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/sh/kernel-features.h
index 0f287fbf85de153613ca08fd1fb6e0a979ea216a..5bac608a1128628b63cbb23e48afb594cec8dbc5 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/sh/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/sh/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.  SH version.
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,11 +15,13 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __KERNEL_FEATURES_SH__
 # define __KERNEL_FEATURES_SH__
 
+#include <endian.h>
+
 /* These syscalls were added for SH in 2.6.37.  */
 #define __ASSUME_SOCKET_SYSCALL		1
 #define __ASSUME_BIND_SYSCALL		1
@@ -41,8 +43,14 @@
    before the offset.  */
 #define __ASSUME_PRW_DUMMY_ARG	1
 
-/* sh only supports ipc syscall.  */
-#undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+/* sh only supports ipc syscall before 5.1.  */
+#if __LINUX_KERNEL_VERSION < 0x050100
+# undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+# undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
+#endif
+#if __BYTE_ORDER == __BIG_ENDIAN
+# define __ASSUME_SYSVIPC_BROKEN_MODE_T
+#endif
 
 /* Support for several syscalls was added in 4.8.  */
 #if __LINUX_KERNEL_VERSION < 0x040800
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/sh/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/sh/sysdep.h
index cbfef3a4d9083d95531bae08515f8cf21e22c2cd..703b042f4f2eb46d4d3f0a56e31b97e7c1ada996 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/sh/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/sh/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.
    Changed by Kaz Kojima, <kkojima@rr.iij4u.or.jp>.
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_SH_SYSDEP_H
 #define _LINUX_SH_SYSDEP_H 1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/single-thread.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/single-thread.h
index 2c972f37b336630b9a635942a759a1a624577482..cc71def780a3cbd220e46c676d9cecb1dee2c4c1 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/single-thread.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/single-thread.h
@@ -1,5 +1,5 @@
 /* Single thread optimization, Linux version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SINGLE_THREAD_H
 #define _SINGLE_THREAD_H
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/bits/stat.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/bits/stat.h
index 3c5031a44d346eba27689363bf765763826f108f..7379f2232d1e515d5f3b47cd6f7503e9bdf8c77f 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/bits/stat.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h
index 115cc1995ba85e25f6159bb56ebc131535a1b449..1f3bbc800281a27409301c3912c0c28ce46d4775 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Linux/SPARC version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -72,8 +72,13 @@
 
 /* And for __rlim_t and __rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
+
+# define __STATFS_MATCHES_STATFS64  0
 #endif
 
 /* Number of descriptors that can fit in an `fd_set'.  */
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/kernel-features.h
index f441bd811d8a8df1113c0e1d9ecf7fa765da1f5a..ea642120e975b89cbcceda8419681fd4dc029ab4 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.  SPARC version.
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include_next <kernel-features.h>
 
@@ -58,8 +58,13 @@
 # undef __NR_pause
 #endif
 
-/* sparc only supports ipc syscall.  */
-#undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+/* sparc only supports ipc syscall before 5.1.  */
+#if __LINUX_KERNEL_VERSION < 0x050100
+# undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+# if !defined __arch64__
+#  undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
+# endif
+#endif
 
 /* Support for the renameat2 syscall was added in 3.16.  */
 #if __LINUX_KERNEL_VERSION < 0x031000
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
index 6c07e433313a123cf8b3588b7c47e0adb79f04ff..84612616746e9e1fbe53c782437e76d8d37d4e70 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, January 1997.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_SPARC32_SYSDEP_H
 #define _LINUX_SPARC32_SYSDEP_H 1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
index fda761838ba0c4ed80f9fcdffb81f47700838525..b9a4c75cbd1b05162be31a69cbc920bf68b297cd 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson <richard@gnu.ai.mit.edu>, 1997.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_SPARC64_SYSDEP_H
 #define _LINUX_SPARC64_SYSDEP_H 1
@@ -29,16 +29,6 @@
 #undef SYS_ify
 #define SYS_ify(syscall_name) __NR_##syscall_name
 
-/* This is a kludge to make syscalls.list find these under the names
-   pread and pwrite, since some kernel headers define those names
-   and some define the *64 names for the same system calls.  */
-#if !defined __NR_pread && defined __NR_pread64
-# define __NR_pread __NR_pread64
-#endif
-#if !defined __NR_pwrite && defined __NR_pwrite64
-# define __NR_pwrite __NR_pwrite64
-#endif
-
 #ifdef __ASSEMBLER__
 
 #define LOADSYSCALL(x) mov __NR_##x, %g1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/sysdep.h
index 981b2a26b7a91093f821c97876e55bc4be2d9f8a..0c32780d9c61bf977e0d8f707e0f35a9028c8d83 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/sparc/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Jakub Jelinek <jakub@redhat.com>, 2000.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_SPARC_SYSDEP_H
 #define _LINUX_SPARC_SYSDEP_H 1
@@ -41,9 +41,16 @@
     _ret;								\
   })
 
+# define VDSO_NAME  "LINUX_2.6"
+# define VDSO_HASH  61765110
+
 /* List of system calls which are supported as vsyscalls.  */
-# define HAVE_CLOCK_GETTIME_VSYSCALL	1
-# define HAVE_GETTIMEOFDAY_VSYSCALL	1
+# ifdef __arch64__
+#  define HAVE_CLOCK_GETTIME64_VSYSCALL	"__vdso_clock_gettime"
+# else
+#  define HAVE_CLOCK_GETTIME_VSYSCALL	"__vdso_clock_gettime"
+# endif
+# define HAVE_GETTIMEOFDAY_VSYSCALL	"__vdso_gettimeofday"
 
 #undef INLINE_SYSCALL
 #define INLINE_SYSCALL(name, nr, args...) 				\
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/sys/syscall.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/sys/syscall.h
index c0fc63b73614e9951f891a6a1a5579af04cdaef2..aa89a74e6bb152ca8dae17fb59971b84b87e8418 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/sys/syscall.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/sys/syscall.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYSCALL_H
 #define _SYSCALL_H	1
@@ -23,12 +23,9 @@
    from the kernel sources.  */
 #include <asm/unistd.h>
 
-#ifndef _LIBC
-/* The Linux kernel header file defines macros `__NR_<name>', but some
-   programs expect the traditional form `SYS_<name>'.  So in building libc
-   we scan the kernel's list and produce <bits/syscall.h> with macros for
-   all the `SYS_' names.  */
-# include <bits/syscall.h>
-#endif
+/* The Linux kernel header file defines macros __NR_*, but some
+   programs expect the traditional form SYS_*.  <bits/syscall.h>
+   defines SYS_* macros for __NR_* macros of known names.  */
+#include <bits/syscall.h>
 
 #endif
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/sys/timex.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/sys/timex.h
index c71ace1d3d546b067eb43df5fd0429d78ad3065a..6979b86b722b31e18e522e5266295fe63c2f371d 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/sys/timex.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/sys/timex.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_TIMEX_H
 #define	_SYS_TIMEX_H	1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/sysdep.h
index f94cfa2fa9ae98a4d6b4e22fdcd583f456a9f6f7..c7f3e54d37b453a66fab362f240bd2b424dc90fa 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2015-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2015-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,18 +13,11 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <bits/wordsize.h>
 #include <kernel-features.h>
 
-/* By default only shared builds use vdso. */
-#ifndef ALWAYS_USE_VSYSCALL
-#define ALWAYS_USE_VSYSCALL 0
-#endif
-
-#define USE_VSYSCALL (defined (SHARED) || ALWAYS_USE_VSYSCALL)
-
 /* Set error number and return -1.  A target may choose to return the
    internal function, __syscall_error, which sets errno and returns -1.
    We use -1l, instead of -1, so that it can be casted to (void *).  */
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/x86/bits/stat.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/x86/bits/stat.h
index d074b15237e74dfccf0053904c084e1f77dfffaa..25dec69dda7f662a492f7bfa1da2b44d40653b0d 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/x86/bits/stat.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/x86/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/x86/bits/typesizes.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/x86/bits/typesizes.h
index 18d2c63b0a3aba75b419b1a5661c60c98fd9f39b..d08414559718ff90c55eab4525b25a89dc7d6ecc 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/x86/bits/typesizes.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/x86/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Linux/x86-64 version.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -84,8 +84,13 @@
 
 /* And for __rlim_t and __rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
+
+# define __STATFS_MATCHES_STATFS64  0
 #endif
 
 /* Number of descriptors that can fit in an `fd_set'.  */
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/x86/sys/elf.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/x86/sys/elf.h
index 0e876daa3bde06bb536d34b59b64660a9d36972a..799e0c279228c4030459978f1f466b3f8d55e472 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/x86/sys/elf.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/x86/sys/elf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_ELF_H
 #define _SYS_ELF_H	1
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/x86_64/kernel-features.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/x86_64/kernel-features.h
index 26280f57ecdf54089df50045839fcd354414c698..80ff5684a783fa24cb2eddee4c835d1aec0de59b 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/x86_64/kernel-features.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/x86_64/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.  x86-64 version.
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Define that x32 is a ILP32 ABI to set the correct interface to pass
    64-bits values through syscalls.  */
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/x86_64/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/x86_64/sysdep.h
index b88c46b589fe314b32a28e5d4232bdccfc9fbef0..c2eb37e5753bc14359d05262db23307df18987fc 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/x86_64/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/x86_64/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,14 +13,11 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_X86_64_SYSDEP_H
 #define _LINUX_X86_64_SYSDEP_H 1
 
-/* Always enable vsyscalls on x86_64 */
-#define ALWAYS_USE_VSYSCALL 1
-
 /* There is some commonality.  */
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <sysdeps/unix/x86_64/sysdep.h>
@@ -36,16 +33,6 @@
 #undef SYS_ify
 #define SYS_ify(syscall_name)	__NR_##syscall_name
 
-/* This is a kludge to make syscalls.list find these under the names
-   pread and pwrite, since some kernel headers define those names
-   and some define the *64 names for the same system calls.  */
-#if !defined __NR_pread && defined __NR_pread64
-# define __NR_pread __NR_pread64
-#endif
-#if !defined __NR_pwrite && defined __NR_pwrite64
-# define __NR_pwrite __NR_pwrite64
-#endif
-
 /* This is to help the old kernel headers where __NR_semtimedop is not
    available.  */
 #ifndef __NR_semtimedop
@@ -373,10 +360,15 @@
 # undef INTERNAL_SYSCALL_ERRNO
 # define INTERNAL_SYSCALL_ERRNO(val, err)	(-(val))
 
+# define VDSO_NAME  "LINUX_2.6"
+# define VDSO_HASH  61765110
+
 /* List of system calls which are supported as vsyscalls.  */
-# define HAVE_CLOCK_GETTIME_VSYSCALL    1
-# define HAVE_GETTIMEOFDAY_VSYSCALL     1
-# define HAVE_GETCPU_VSYSCALL		1
+# define HAVE_CLOCK_GETTIME64_VSYSCALL  "__vdso_clock_gettime"
+# define HAVE_GETTIMEOFDAY_VSYSCALL     "__vdso_gettimeofday"
+# define HAVE_TIME_VSYSCALL             "__vdso_time"
+# define HAVE_GETCPU_VSYSCALL		"__vdso_getcpu"
+# define HAVE_CLOCK_GETRES64_VSYSCALL   "__vdso_clock_getres"
 
 # define SINGLE_THREAD_BY_GLOBAL		1
 
diff --git a/lib/libc/glibc/sysdeps/unix/sysv/linux/x86_64/x32/sysdep.h b/lib/libc/glibc/sysdeps/unix/sysv/linux/x86_64/x32/sysdep.h
index 1401f2ddec2eb49c498f16e3f7925396d166beb9..5bf9eed80b1110ef865b8a16503ea75ad488749a 100644
--- a/lib/libc/glibc/sysdeps/unix/sysv/linux/x86_64/x32/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/sysv/linux/x86_64/x32/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2012-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LINUX_X32_SYSDEP_H
 #define _LINUX_X32_SYSDEP_H 1
diff --git a/lib/libc/glibc/sysdeps/unix/x86_64/sysdep.h b/lib/libc/glibc/sysdeps/unix/x86_64/sysdep.h
index e901cb31b77fbc21ef0f252a1ff01b0290b97886..c549dce4dbc5937d819b2db35cb69672eb9c4c8b 100644
--- a/lib/libc/glibc/sysdeps/unix/x86_64/sysdep.h
+++ b/lib/libc/glibc/sysdeps/unix/x86_64/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/unix/sysdep.h>
 #include <sysdeps/x86_64/sysdep.h>
diff --git a/lib/libc/glibc/sysdeps/wordsize-32/divdi3-symbol-hacks.h b/lib/libc/glibc/sysdeps/wordsize-32/divdi3-symbol-hacks.h
index bf00d03893c23dbf4625d62b9b2a625607a2963d..4d8187b57089d3809e06a73810b64fbd903a6893 100644
--- a/lib/libc/glibc/sysdeps/wordsize-32/divdi3-symbol-hacks.h
+++ b/lib/libc/glibc/sysdeps/wordsize-32/divdi3-symbol-hacks.h
@@ -1,5 +1,5 @@
 /* Hacks needed for divdi3 symbol manipulation.
-   Copyright (C) 2004-2019 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* A very dirty trick: gcc emits references to __divdi3, __udivdi3,
    __moddi3, and __umoddi3.  These functions are exported and
diff --git a/lib/libc/glibc/sysdeps/x86/bits/endian.h b/lib/libc/glibc/sysdeps/x86/bits/endian.h
deleted file mode 100644
index 5a56c726f718688b462b24d80a53774421a97d3f..0000000000000000000000000000000000000000
--- a/lib/libc/glibc/sysdeps/x86/bits/endian.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* i386/x86_64 are little-endian.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/lib/libc/glibc/sysdeps/x86/bits/endianness.h b/lib/libc/glibc/sysdeps/x86/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..962a9ae4d6e9e012b82ab31fe2f567efb6c4c001
--- /dev/null
+++ b/lib/libc/glibc/sysdeps/x86/bits/endianness.h
@@ -0,0 +1,11 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* i386/x86_64 are little-endian.  */
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+#endif /* bits/endianness.h */
diff --git a/lib/libc/glibc/sysdeps/x86/bits/select.h b/lib/libc/glibc/sysdeps/x86/bits/select.h
index 1da802af068ff678402d6b398e09df587a0f2c99..b2e3ac800ac9265536f383f820bf81147188eabc 100644
--- a/lib/libc/glibc/sysdeps/x86/bits/select.h
+++ b/lib/libc/glibc/sysdeps/x86/bits/select.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SELECT_H
 # error "Never use <bits/select.h> directly; include <sys/select.h> instead."
diff --git a/lib/libc/glibc/sysdeps/x86/nptl/bits/pthreadtypes-arch.h b/lib/libc/glibc/sysdeps/x86/nptl/bits/pthreadtypes-arch.h
index 4eac75bcc109b107708790e7bc11c62426880f66..399d4868a9494cba9957c92e40a81b86b1ae9b51 100644
--- a/lib/libc/glibc/sysdeps/x86/nptl/bits/pthreadtypes-arch.h
+++ b/lib/libc/glibc/sysdeps/x86/nptl/bits/pthreadtypes-arch.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_ARCH_H
 #define _BITS_PTHREADTYPES_ARCH_H	1
@@ -24,20 +24,17 @@
 # if __WORDSIZE == 64
 #  define __SIZEOF_PTHREAD_MUTEX_T 40
 #  define __SIZEOF_PTHREAD_ATTR_T 56
-#  define __SIZEOF_PTHREAD_MUTEX_T 40
 #  define __SIZEOF_PTHREAD_RWLOCK_T 56
 #  define __SIZEOF_PTHREAD_BARRIER_T 32
 # else
 #  define __SIZEOF_PTHREAD_MUTEX_T 32
 #  define __SIZEOF_PTHREAD_ATTR_T 32
-#  define __SIZEOF_PTHREAD_MUTEX_T 32
 #  define __SIZEOF_PTHREAD_RWLOCK_T 44
 #  define __SIZEOF_PTHREAD_BARRIER_T 20
 # endif
 #else
 # define __SIZEOF_PTHREAD_MUTEX_T 24
 # define __SIZEOF_PTHREAD_ATTR_T 36
-# define __SIZEOF_PTHREAD_MUTEX_T 24
 # define __SIZEOF_PTHREAD_RWLOCK_T 32
 # define __SIZEOF_PTHREAD_BARRIER_T 20
 #endif
@@ -47,57 +44,9 @@
 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
 
-/* Definitions for internal mutex struct.  */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    1
-#ifdef __x86_64__
-# define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  0
-# define __PTHREAD_MUTEX_USE_UNION          0
-#else
-# define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  1
-# define __PTHREAD_MUTEX_USE_UNION          1
-#endif
-
 #define __LOCK_ALIGNMENT
 #define __ONCE_ALIGNMENT
 
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#ifdef __x86_64__
-  int __cur_writer;
-  int __shared;
-  signed char __rwelision;
-# ifdef  __ILP32__
-  unsigned char __pad1[3];
-#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0 }
-# else
-  unsigned char __pad1[7];
-#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0, 0, 0, 0, 0 }
-# endif
-  unsigned long int __pad2;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned int __flags;
-# define __PTHREAD_RWLOCK_INT_FLAGS_SHARED	1
-#else
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  unsigned char __shared;
-  signed char __rwelision;
-# define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-  unsigned char __pad2;
-  int __cur_writer;
-#endif
-};
-
 #ifndef __x86_64__
 /* Extra attributes for the cleanup functions.  */
 # define __cleanup_fct_attribute __attribute__ ((__regparm__ (1)))
diff --git a/lib/libc/glibc/sysdeps/x86/sysdep.h b/lib/libc/glibc/sysdeps/x86/sysdep.h
index d6c1c960d3811ceb51e390733ac9751afab00563..f5039bc1b220e4015816edaed0545e306ce7ad3f 100644
--- a/lib/libc/glibc/sysdeps/x86/sysdep.h
+++ b/lib/libc/glibc/sysdeps/x86/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for x86.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _X86_SYSDEP_H
 #define _X86_SYSDEP_H 1
diff --git a/lib/libc/glibc/sysdeps/x86_64/crti.S b/lib/libc/glibc/sysdeps/x86_64/crti.S
index 45f2d9fc30bac64621657d3c0e40b4d5517d6f61..c2f1cc3c951ccf1338706ce9d39249da110a036d 100644
--- a/lib/libc/glibc/sysdeps/x86_64/crti.S
+++ b/lib/libc/glibc/sysdeps/x86_64/crti.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for x86-64.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crti.S puts a function prologue at the beginning of the .init and
    .fini sections and defines global symbols for those addresses, so
diff --git a/lib/libc/glibc/sysdeps/x86_64/crtn.S b/lib/libc/glibc/sysdeps/x86_64/crtn.S
index 544efb431cfbbb9c7edcd7c5a2b16a21e3b66760..5fa457d51138142b3fb3d151c77d3ed3e47ff84f 100644
--- a/lib/libc/glibc/sysdeps/x86_64/crtn.S
+++ b/lib/libc/glibc/sysdeps/x86_64/crtn.S
@@ -1,5 +1,5 @@
 /* Special .init and .fini section support for x86-64.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* crtn.S puts function epilogues in the .init and .fini sections
    corresponding to the prologues in crti.S. */
diff --git a/lib/libc/glibc/sysdeps/x86_64/start.S b/lib/libc/glibc/sysdeps/x86_64/start.S
index 24d59159a9b46e3edd548bfd2f1b1924c6c2eb29..7477b632f7ad6ffe6cd1975cdc4ec2317f11a6c3 100644
--- a/lib/libc/glibc/sysdeps/x86_64/start.S
+++ b/lib/libc/glibc/sysdeps/x86_64/start.S
@@ -1,5 +1,5 @@
 /* Startup code compliant to the ELF x86-64 ABI.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Jaeger <aj@suse.de>, 2001.
 
@@ -32,7 +32,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This is the canonical entry point, usually the first thing in the text
    segment.  The SVR4/i386 ABI (pages 3-31, 3-32) says that when the entry
diff --git a/lib/libc/glibc/sysdeps/x86_64/sysdep.h b/lib/libc/glibc/sysdeps/x86_64/sysdep.h
index 7b64be935b8be499ab8321888c188429a47ca236..0b73674f6800b4c30f22e24118f95c2f4450b383 100644
--- a/lib/libc/glibc/sysdeps/x86_64/sysdep.h
+++ b/lib/libc/glibc/sysdeps/x86_64/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for x86-64.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _X86_64_SYSDEP_H
 #define _X86_64_SYSDEP_H 1
diff --git a/lib/libc/glibc/sysdeps/x86_64/x32/sysdep.h b/lib/libc/glibc/sysdeps/x86_64/x32/sysdep.h
index 34fa04afa3d12bcffc56b17759c4a19f6c7aa016..6498b22b07ef9461c9b03a23172113f5b14697d2 100644
--- a/lib/libc/glibc/sysdeps/x86_64/x32/sysdep.h
+++ b/lib/libc/glibc/sysdeps/x86_64/x32/sysdep.h
@@ -1,5 +1,5 @@
 /* Assembler macros for x32.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/x86_64/sysdep.h>
 
diff --git a/lib/libc/glibc/time/bits/types/struct_timespec.h b/lib/libc/glibc/time/bits/types/struct_timespec.h
index 5b77c52b4f005701b1b91ded0b4edbe3520b1eb1..d11c69cfd320581285eb12941e69382c2c6544b7 100644
--- a/lib/libc/glibc/time/bits/types/struct_timespec.h
+++ b/lib/libc/glibc/time/bits/types/struct_timespec.h
@@ -3,13 +3,26 @@
 #define _STRUCT_TIMESPEC 1
 
 #include <bits/types.h>
+#include <bits/endian.h>
 
 /* POSIX.1b structure for a time value.  This is like a `struct timeval' but
    has nanoseconds instead of microseconds.  */
 struct timespec
 {
   __time_t tv_sec;		/* Seconds.  */
+#if __WORDSIZE == 64 \
+  || (defined __SYSCALL_WORDSIZE && __SYSCALL_WORDSIZE == 64) \
+  || __TIMESIZE == 32
   __syscall_slong_t tv_nsec;	/* Nanoseconds.  */
+#else
+# if __BYTE_ORDER == __BIG_ENDIAN
+  int: 32;           /* Padding.  */
+  long int tv_nsec;  /* Nanoseconds.  */
+# else
+  long int tv_nsec;  /* Nanoseconds.  */
+  int: 32;           /* Padding.  */
+# endif
+#endif
 };
 
 #endif
diff --git a/lib/libc/glibc/vers.txt b/lib/libc/glibc/vers.txt
index a81ba864c45c947a7da6d44390580e4b68852f94..a76ef9b25d0755ac6687a5d4d18ea16b3f482dc3 100644
--- a/lib/libc/glibc/vers.txt
+++ b/lib/libc/glibc/vers.txt
@@ -39,3 +39,4 @@ GLIBC_2.27
 GLIBC_2.28
 GLIBC_2.29
 GLIBC_2.30
+GLIBC_2.31
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/endian.h b/lib/libc/include/aarch64-linux-gnu/bits/endian.h
deleted file mode 100644
index b62d37d77312e3300bc196e4c552f798c7a4d868..0000000000000000000000000000000000000000
--- a/lib/libc/include/aarch64-linux-gnu/bits/endian.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
-
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public License as
-   published by the Free Software Foundation; either version 2.1 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-/* AArch64 can be either big or little endian.  */
-#ifdef __AARCH64EB__
-# define __BYTE_ORDER __BIG_ENDIAN
-#else
-# define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
-
-#define __FLOAT_WORD_ORDER __BYTE_ORDER
\ No newline at end of file
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/endianness.h b/lib/libc/include/aarch64-linux-gnu/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..5db8061829cdfaefa2be8d742364fe7c618c659b
--- /dev/null
+++ b/lib/libc/include/aarch64-linux-gnu/bits/endianness.h
@@ -0,0 +1,15 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* AArch64 has selectable endianness.  */
+#ifdef __AARCH64EB__
+# define __BYTE_ORDER __BIG_ENDIAN
+#else
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/fcntl.h b/lib/libc/include/aarch64-linux-gnu/bits/fcntl.h
index d2dd7e88aa1547ab7cd317805fb10169c7826602..ccf39f29d36b4cf84cc2aeca4ba9a5c932de97a2 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/fcntl.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for the AArch64 Linux ABI.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/fenv.h b/lib/libc/include/aarch64-linux-gnu/bits/fenv.h
index 2e080ee28da4667017e4ca67607ce7e89dc960ad..de4e9fb758d0eeec89660735475c44e8a9228cb9 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/fenv.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -73,7 +73,7 @@ fenv_t;
 # define FE_NOMASK_ENV  ((const fenv_t *) -2)
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef unsigned int femode_t;
 
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/floatn.h b/lib/libc/include/aarch64-linux-gnu/bits/floatn.h
index 5e7e3f4d2e2a00997fbda0d5617a0d5c02885d51..a4045e43a3da7bc3989db331cb691add4564385f 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/floatn.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features on ldbl-128 platforms.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_H
 #define _BITS_FLOATN_H
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/fp-fast.h b/lib/libc/include/aarch64-linux-gnu/bits/fp-fast.h
index c502e67c7560ce072db884de9a6cb24e236ba3e7..0cf198e47872d77cf154a8606b10e79d23f9ef5d 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/fp-fast.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/fp-fast.h
@@ -1,5 +1,5 @@
 /* Define FP_FAST_* macros.  AArch64 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/fp-fast.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/hwcap.h b/lib/libc/include/aarch64-linux-gnu/bits/hwcap.h
index 629784d923f10be1739a787a4f7ebcc58b864536..cf38b9d8b7ca0d303276147e3f6628531cd73776 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/hwcap.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/hwcap.h
@@ -1,5 +1,5 @@
 /* Defines for bits in AT_HWCAP.  AArch64 Linux version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined (_SYS_AUXV_H)
 # error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/ipc.h b/lib/libc/include/aarch64-linux-gnu/bits/ipc.h
deleted file mode 100644
index 6edd48ba78774af4f4545fd4f77062239417127e..0000000000000000000000000000000000000000
--- a/lib/libc/include/aarch64-linux-gnu/bits/ipc.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_IPC_H
-# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
-#endif
-
-#include <bits/types.h>
-
-/* Mode bits for `msgget', `semget', and `shmget'.  */
-#define IPC_CREAT	01000		/* Create key if key does not exist. */
-#define IPC_EXCL	02000		/* Fail if key exists.  */
-#define IPC_NOWAIT	04000		/* Return error on wait.  */
-
-/* Control commands for `msgctl', `semctl', and `shmctl'.  */
-#define IPC_RMID	0		/* Remove identifier.  */
-#define IPC_SET		1		/* Set `ipc_perm' options.  */
-#define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#ifdef __USE_GNU
-# define IPC_INFO	3		/* See ipcs.  */
-#endif
-
-/* Special key values.  */
-#define IPC_PRIVATE	((__key_t) 0)	/* Private key.  */
-
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;			/* Key.  */
-    __uid_t uid;			/* Owner's user ID.  */
-    __gid_t gid;			/* Owner's group ID.  */
-    __uid_t cuid;			/* Creator's user ID.  */
-    __gid_t cgid;			/* Creator's group ID.  */
-    unsigned int mode;			/* Read/write permission.  */
-    unsigned short int __seq;		/* Sequence number.  */
-    unsigned short int __pad1;
-    __syscall_ulong_t __glibc_reserved1;
-    __syscall_ulong_t __glibc_reserved2;
-  };
\ No newline at end of file
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/link.h b/lib/libc/include/aarch64-linux-gnu/bits/link.h
index 71f99857bc0447bbb091232afa107d6e13db73b0..bf9953595f8770e4e4b5a2a066077e6ff1cfb793 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/link.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/link.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/local_lim.h b/lib/libc/include/aarch64-linux-gnu/bits/local_lim.h
index 738c65bc5a0e31a1787edee2123654fc10009185..155d60e416383b37f588d0ae5b3fc2631dc3a13e 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/local_lim.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  Linux version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/long-double.h b/lib/libc/include/aarch64-linux-gnu/bits/long-double.h
index 12e30804a42fe57e6800c1fed17f216e2a6445f2..ce06962796948269026d2ea2fa8a13775bcf76b3 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/long-double.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.  ldbl-128 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,8 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* long double is distinct from double, so there is nothing to
-   define here.  */
\ No newline at end of file
+   define here.  */
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/procfs.h b/lib/libc/include/aarch64-linux-gnu/bits/procfs.h
index cdc07b27d91b1c0ddf2b072e275e2c06f4a17a1f..efb589274b509b6aba78e51b3ee51d6b3e834c6c 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/procfs.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  AArch64 version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/pthreadtypes-arch.h b/lib/libc/include/aarch64-linux-gnu/bits/pthreadtypes-arch.h
index ef00f65b6675f67eefe3deaeb217364264b0a5d3..e64b19346e3e630ca5165314d7a51db15636b12c 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/pthreadtypes-arch.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/pthreadtypes-arch.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,12 +14,12 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_ARCH_H
 #define _BITS_PTHREADTYPES_ARCH_H	1
 
-#include <endian.h>
+#include <bits/endian.h>
 
 #ifdef __ILP32__
 # define __SIZEOF_PTHREAD_ATTR_T        32
@@ -41,31 +41,7 @@
 #define __SIZEOF_PTHREAD_COND_T         48
 #define __SIZEOF_PTHREAD_RWLOCKATTR_T	8
 
-/* Definitions for internal mutex struct.  */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION	0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  0
-#define __PTHREAD_MUTEX_USE_UNION          0
-
 #define __LOCK_ALIGNMENT
 #define __ONCE_ALIGNMENT
 
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-  int __cur_writer;
-  int __shared;
-  unsigned long int __pad1;
-  unsigned long int __pad2;
-  unsigned int __flags;
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-
 #endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/semaphore.h b/lib/libc/include/aarch64-linux-gnu/bits/semaphore.h
index a15f480bd09d8ff3539c5f61b54b6ec29fffc605..64a56cc2f9e823b6bcd3aa512f04abd190afb324 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/semaphore.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/semaphore.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/setjmp.h b/lib/libc/include/aarch64-linux-gnu/bits/setjmp.h
index 407f86adc159b34feb7f5ba0b041425838ee320f..2b63e21916668bbbe1942abcb93b71ad5ec2e214 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/setjmp.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SETJMP_H
 #define _BITS_SETJMP_H 1
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/sigstack.h b/lib/libc/include/aarch64-linux-gnu/bits/sigstack.h
index 8921d2a88b4191c6b9c0c35a65142338ecd6c24b..7294db7d4c65a24d21144008aec5007501772760 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/sigstack.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/sigstack.h
@@ -1,5 +1,5 @@
 /* sigstack, sigaltstack definitions.
-   Copyright (C) 2015-2019 Free Software Foundation, Inc.
+   Copyright (C) 2015-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGSTACK_H
 #define _BITS_SIGSTACK_H 1
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/stat.h b/lib/libc/include/aarch64-linux-gnu/bits/stat.h
index 4f230772637512205d577d6a5a1a150713cc0532..2df73d11e368b718dd9b84dd4bd4697ae7b232af 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/stat.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2011-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
@@ -23,7 +23,7 @@
 #ifndef _BITS_STAT_H
 #define _BITS_STAT_H	1
 
-#include <endian.h>
+#include <bits/endian.h>
 #include <bits/wordsize.h>
 
 /* 64-bit libc uses the kernel's 'struct stat', accessed via the
@@ -42,7 +42,10 @@
 
 #if defined __USE_FILE_OFFSET64
 # define __field64(type, type64, name) type64 name
-#elif __WORDSIZE == 64
+#elif __WORDSIZE == 64 || defined __INO_T_MATCHES_INO64_T
+# if defined __INO_T_MATCHES_INO64_T && !defined __OFF_T_MATCHES_OFF64_T
+#  error "ino_t and off_t must both be the same type"
+# endif
 # define __field64(type, type64, name) type name
 #elif __BYTE_ORDER == __LITTLE_ENDIAN
 # define __field64(type, type64, name) \
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/statfs.h b/lib/libc/include/aarch64-linux-gnu/bits/statfs.h
index 8da970d4a9904e2c13be8c6300c2d1f02917cccf..61c27388e94dec1e9d66eaefdc0e31d54919a495 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/statfs.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/statfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2011-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
@@ -14,13 +14,13 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_STATFS_H
 # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
 #endif
 
-#include <endian.h>
+#include <bits/endian.h>
 #include <bits/types.h>
 #include <bits/wordsize.h>
 
@@ -34,7 +34,7 @@
 
 #if defined __USE_FILE_OFFSET64
 # define __field64(type, type64, name) type64 name
-#elif __WORDSIZE == 64
+#elif __WORDSIZE == 64 || __STATFS_MATCHES_STATFS64
 # define __field64(type, type64, name) type name
 #elif __BYTE_ORDER == __LITTLE_ENDIAN
 # define __field64(type, type64, name) \
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/struct_rwlock.h b/lib/libc/include/aarch64-linux-gnu/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..1f6f86e9102d26de158c0a8bc1cd6a0e3916cc64
--- /dev/null
+++ b/lib/libc/include/aarch64-linux-gnu/bits/struct_rwlock.h
@@ -0,0 +1,41 @@
+/* AArch64 internal rwlock struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _RWLOCK_INTERNAL_H
+#define _RWLOCK_INTERNAL_H
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+  int __cur_writer;
+  int __shared;
+  unsigned long int __pad1;
+  unsigned long int __pad2;
+  unsigned int __flags;
+};
+
+#define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, __flags
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/typesizes.h b/lib/libc/include/aarch64-linux-gnu/bits/typesizes.h
index 8cfcacef57d559f67c720b3014aa1adfa27361f1..d9e9b274ac7242eeb981bcf5632d2bf25eb727e0 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/typesizes.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  For the generic Linux ABI.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -73,10 +73,14 @@
 
 /* And for __rlim_t and __rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
-#endif
 
+# define __STATFS_MATCHES_STATFS64  0
+#endif
 /* Number of descriptors that can fit in an `fd_set'.  */
 #define	__FD_SETSIZE		1024
 
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/wordsize.h b/lib/libc/include/aarch64-linux-gnu/bits/wordsize.h
index 52f24f0980d4fd5285e1e0b9227a42ac7f1a1a0e..68b28bf2d7dbc043f48f272d988dbbac707812f9 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/wordsize.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/wordsize.h
@@ -1,6 +1,6 @@
 /* Determine the wordsize from the preprocessor defines.
 
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifdef __LP64__
 # define __WORDSIZE			64
diff --git a/lib/libc/include/aarch64-linux-gnu/fpu_control.h b/lib/libc/include/aarch64-linux-gnu/fpu_control.h
index eac02cfe26ee9e0fda567681eb5fa8a48c506fe8..ba2e530b10c9f0f3a3253f77f6d65a09169f0c27 100644
--- a/lib/libc/include/aarch64-linux-gnu/fpu_control.h
+++ b/lib/libc/include/aarch64-linux-gnu/fpu_control.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _AARCH64_FPU_CONTROL_H
 #define _AARCH64_FPU_CONTROL_H
diff --git a/lib/libc/include/aarch64-linux-gnu/ieee754.h b/lib/libc/include/aarch64-linux-gnu/ieee754.h
index e347e4a6e5a36c408ea12ee78ef6652b4538f183..63fa9c5fce55fe7d0e8c9be919b20e89c0b466a4 100644
--- a/lib/libc/include/aarch64-linux-gnu/ieee754.h
+++ b/lib/libc/include/aarch64-linux-gnu/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,14 +13,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
diff --git a/lib/libc/include/aarch64-linux-gnu/sys/elf.h b/lib/libc/include/aarch64-linux-gnu/sys/elf.h
index d7062a3a914a05ac4c9f5337a381d392b6d8e33d..e3e2bac7b2a7497eb4d31127582775151dc873ae 100644
--- a/lib/libc/include/aarch64-linux-gnu/sys/elf.h
+++ b/lib/libc/include/aarch64-linux-gnu/sys/elf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_ELF_H
 #define _SYS_ELF_H	1
diff --git a/lib/libc/include/aarch64-linux-gnu/sys/ptrace.h b/lib/libc/include/aarch64-linux-gnu/sys/ptrace.h
index 59b06682a95754a29ba8894418093914a9638b28..ce7f6bf7c026fe789aeee69869d60c99acfab2d0 100644
--- a/lib/libc/include/aarch64-linux-gnu/sys/ptrace.h
+++ b/lib/libc/include/aarch64-linux-gnu/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/AArch64 version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PTRACE_H
 #define _SYS_PTRACE_H	1
@@ -136,8 +136,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/aarch64-linux-gnu/sys/ucontext.h b/lib/libc/include/aarch64-linux-gnu/sys/ucontext.h
index 273ba806ddaebe1ea932b3f48cdf2bd6c30f6bdd..a3ede3eb97c880cf191613c75b55964f426e6559 100644
--- a/lib/libc/include/aarch64-linux-gnu/sys/ucontext.h
+++ b/lib/libc/include/aarch64-linux-gnu/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* System V/AArch64 ABI compliant context switching support.  */
 
diff --git a/lib/libc/include/aarch64-linux-gnu/sys/user.h b/lib/libc/include/aarch64-linux-gnu/sys/user.h
index 8daa97548a5496d541e47549554bd7c598f41564..ce78f804714629448677f8ef55a4b0d86863b65a 100644
--- a/lib/libc/include/aarch64-linux-gnu/sys/user.h
+++ b/lib/libc/include/aarch64-linux-gnu/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2009-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2009-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 #define _SYS_USER_H	1
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/endian.h b/lib/libc/include/aarch64_be-linux-gnu/bits/endian.h
deleted file mode 100644
index b62d37d77312e3300bc196e4c552f798c7a4d868..0000000000000000000000000000000000000000
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/endian.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
-
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public License as
-   published by the Free Software Foundation; either version 2.1 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-/* AArch64 can be either big or little endian.  */
-#ifdef __AARCH64EB__
-# define __BYTE_ORDER __BIG_ENDIAN
-#else
-# define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
-
-#define __FLOAT_WORD_ORDER __BYTE_ORDER
\ No newline at end of file
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/endianness.h b/lib/libc/include/aarch64_be-linux-gnu/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..5db8061829cdfaefa2be8d742364fe7c618c659b
--- /dev/null
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/endianness.h
@@ -0,0 +1,15 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* AArch64 has selectable endianness.  */
+#ifdef __AARCH64EB__
+# define __BYTE_ORDER __BIG_ENDIAN
+#else
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/fcntl.h b/lib/libc/include/aarch64_be-linux-gnu/bits/fcntl.h
index d2dd7e88aa1547ab7cd317805fb10169c7826602..ccf39f29d36b4cf84cc2aeca4ba9a5c932de97a2 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/fcntl.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for the AArch64 Linux ABI.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/fenv.h b/lib/libc/include/aarch64_be-linux-gnu/bits/fenv.h
index 2e080ee28da4667017e4ca67607ce7e89dc960ad..de4e9fb758d0eeec89660735475c44e8a9228cb9 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/fenv.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -73,7 +73,7 @@ fenv_t;
 # define FE_NOMASK_ENV  ((const fenv_t *) -2)
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef unsigned int femode_t;
 
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/floatn.h b/lib/libc/include/aarch64_be-linux-gnu/bits/floatn.h
index 5e7e3f4d2e2a00997fbda0d5617a0d5c02885d51..a4045e43a3da7bc3989db331cb691add4564385f 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/floatn.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features on ldbl-128 platforms.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_H
 #define _BITS_FLOATN_H
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/fp-fast.h b/lib/libc/include/aarch64_be-linux-gnu/bits/fp-fast.h
index c502e67c7560ce072db884de9a6cb24e236ba3e7..0cf198e47872d77cf154a8606b10e79d23f9ef5d 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/fp-fast.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/fp-fast.h
@@ -1,5 +1,5 @@
 /* Define FP_FAST_* macros.  AArch64 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/fp-fast.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/hwcap.h b/lib/libc/include/aarch64_be-linux-gnu/bits/hwcap.h
index 629784d923f10be1739a787a4f7ebcc58b864536..cf38b9d8b7ca0d303276147e3f6628531cd73776 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/hwcap.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/hwcap.h
@@ -1,5 +1,5 @@
 /* Defines for bits in AT_HWCAP.  AArch64 Linux version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined (_SYS_AUXV_H)
 # error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/ipc.h b/lib/libc/include/aarch64_be-linux-gnu/bits/ipc.h
deleted file mode 100644
index 6edd48ba78774af4f4545fd4f77062239417127e..0000000000000000000000000000000000000000
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/ipc.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_IPC_H
-# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
-#endif
-
-#include <bits/types.h>
-
-/* Mode bits for `msgget', `semget', and `shmget'.  */
-#define IPC_CREAT	01000		/* Create key if key does not exist. */
-#define IPC_EXCL	02000		/* Fail if key exists.  */
-#define IPC_NOWAIT	04000		/* Return error on wait.  */
-
-/* Control commands for `msgctl', `semctl', and `shmctl'.  */
-#define IPC_RMID	0		/* Remove identifier.  */
-#define IPC_SET		1		/* Set `ipc_perm' options.  */
-#define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#ifdef __USE_GNU
-# define IPC_INFO	3		/* See ipcs.  */
-#endif
-
-/* Special key values.  */
-#define IPC_PRIVATE	((__key_t) 0)	/* Private key.  */
-
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;			/* Key.  */
-    __uid_t uid;			/* Owner's user ID.  */
-    __gid_t gid;			/* Owner's group ID.  */
-    __uid_t cuid;			/* Creator's user ID.  */
-    __gid_t cgid;			/* Creator's group ID.  */
-    unsigned int mode;			/* Read/write permission.  */
-    unsigned short int __seq;		/* Sequence number.  */
-    unsigned short int __pad1;
-    __syscall_ulong_t __glibc_reserved1;
-    __syscall_ulong_t __glibc_reserved2;
-  };
\ No newline at end of file
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/link.h b/lib/libc/include/aarch64_be-linux-gnu/bits/link.h
index 71f99857bc0447bbb091232afa107d6e13db73b0..bf9953595f8770e4e4b5a2a066077e6ff1cfb793 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/link.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/link.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/local_lim.h b/lib/libc/include/aarch64_be-linux-gnu/bits/local_lim.h
index 738c65bc5a0e31a1787edee2123654fc10009185..155d60e416383b37f588d0ae5b3fc2631dc3a13e 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/local_lim.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  Linux version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/long-double.h b/lib/libc/include/aarch64_be-linux-gnu/bits/long-double.h
index 12e30804a42fe57e6800c1fed17f216e2a6445f2..ce06962796948269026d2ea2fa8a13775bcf76b3 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/long-double.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.  ldbl-128 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,8 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* long double is distinct from double, so there is nothing to
-   define here.  */
\ No newline at end of file
+   define here.  */
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/procfs.h b/lib/libc/include/aarch64_be-linux-gnu/bits/procfs.h
index cdc07b27d91b1c0ddf2b072e275e2c06f4a17a1f..efb589274b509b6aba78e51b3ee51d6b3e834c6c 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/procfs.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  AArch64 version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/pthreadtypes-arch.h b/lib/libc/include/aarch64_be-linux-gnu/bits/pthreadtypes-arch.h
index ef00f65b6675f67eefe3deaeb217364264b0a5d3..e64b19346e3e630ca5165314d7a51db15636b12c 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/pthreadtypes-arch.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/pthreadtypes-arch.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,12 +14,12 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_ARCH_H
 #define _BITS_PTHREADTYPES_ARCH_H	1
 
-#include <endian.h>
+#include <bits/endian.h>
 
 #ifdef __ILP32__
 # define __SIZEOF_PTHREAD_ATTR_T        32
@@ -41,31 +41,7 @@
 #define __SIZEOF_PTHREAD_COND_T         48
 #define __SIZEOF_PTHREAD_RWLOCKATTR_T	8
 
-/* Definitions for internal mutex struct.  */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION	0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  0
-#define __PTHREAD_MUTEX_USE_UNION          0
-
 #define __LOCK_ALIGNMENT
 #define __ONCE_ALIGNMENT
 
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-  int __cur_writer;
-  int __shared;
-  unsigned long int __pad1;
-  unsigned long int __pad2;
-  unsigned int __flags;
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-
 #endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/semaphore.h b/lib/libc/include/aarch64_be-linux-gnu/bits/semaphore.h
index a15f480bd09d8ff3539c5f61b54b6ec29fffc605..64a56cc2f9e823b6bcd3aa512f04abd190afb324 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/semaphore.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/semaphore.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/setjmp.h b/lib/libc/include/aarch64_be-linux-gnu/bits/setjmp.h
index 407f86adc159b34feb7f5ba0b041425838ee320f..2b63e21916668bbbe1942abcb93b71ad5ec2e214 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/setjmp.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SETJMP_H
 #define _BITS_SETJMP_H 1
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/sigstack.h b/lib/libc/include/aarch64_be-linux-gnu/bits/sigstack.h
index 8921d2a88b4191c6b9c0c35a65142338ecd6c24b..7294db7d4c65a24d21144008aec5007501772760 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/sigstack.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/sigstack.h
@@ -1,5 +1,5 @@
 /* sigstack, sigaltstack definitions.
-   Copyright (C) 2015-2019 Free Software Foundation, Inc.
+   Copyright (C) 2015-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGSTACK_H
 #define _BITS_SIGSTACK_H 1
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/stat.h b/lib/libc/include/aarch64_be-linux-gnu/bits/stat.h
index 4f230772637512205d577d6a5a1a150713cc0532..2df73d11e368b718dd9b84dd4bd4697ae7b232af 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/stat.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2011-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
@@ -23,7 +23,7 @@
 #ifndef _BITS_STAT_H
 #define _BITS_STAT_H	1
 
-#include <endian.h>
+#include <bits/endian.h>
 #include <bits/wordsize.h>
 
 /* 64-bit libc uses the kernel's 'struct stat', accessed via the
@@ -42,7 +42,10 @@
 
 #if defined __USE_FILE_OFFSET64
 # define __field64(type, type64, name) type64 name
-#elif __WORDSIZE == 64
+#elif __WORDSIZE == 64 || defined __INO_T_MATCHES_INO64_T
+# if defined __INO_T_MATCHES_INO64_T && !defined __OFF_T_MATCHES_OFF64_T
+#  error "ino_t and off_t must both be the same type"
+# endif
 # define __field64(type, type64, name) type name
 #elif __BYTE_ORDER == __LITTLE_ENDIAN
 # define __field64(type, type64, name) \
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/statfs.h b/lib/libc/include/aarch64_be-linux-gnu/bits/statfs.h
index 8da970d4a9904e2c13be8c6300c2d1f02917cccf..61c27388e94dec1e9d66eaefdc0e31d54919a495 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/statfs.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/statfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2011-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
@@ -14,13 +14,13 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_STATFS_H
 # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
 #endif
 
-#include <endian.h>
+#include <bits/endian.h>
 #include <bits/types.h>
 #include <bits/wordsize.h>
 
@@ -34,7 +34,7 @@
 
 #if defined __USE_FILE_OFFSET64
 # define __field64(type, type64, name) type64 name
-#elif __WORDSIZE == 64
+#elif __WORDSIZE == 64 || __STATFS_MATCHES_STATFS64
 # define __field64(type, type64, name) type name
 #elif __BYTE_ORDER == __LITTLE_ENDIAN
 # define __field64(type, type64, name) \
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/struct_rwlock.h b/lib/libc/include/aarch64_be-linux-gnu/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..1f6f86e9102d26de158c0a8bc1cd6a0e3916cc64
--- /dev/null
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/struct_rwlock.h
@@ -0,0 +1,41 @@
+/* AArch64 internal rwlock struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _RWLOCK_INTERNAL_H
+#define _RWLOCK_INTERNAL_H
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+  int __cur_writer;
+  int __shared;
+  unsigned long int __pad1;
+  unsigned long int __pad2;
+  unsigned int __flags;
+};
+
+#define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, __flags
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/typesizes.h b/lib/libc/include/aarch64_be-linux-gnu/bits/typesizes.h
index 8cfcacef57d559f67c720b3014aa1adfa27361f1..d9e9b274ac7242eeb981bcf5632d2bf25eb727e0 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/typesizes.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  For the generic Linux ABI.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -73,10 +73,14 @@
 
 /* And for __rlim_t and __rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
-#endif
 
+# define __STATFS_MATCHES_STATFS64  0
+#endif
 /* Number of descriptors that can fit in an `fd_set'.  */
 #define	__FD_SETSIZE		1024
 
diff --git a/lib/libc/include/aarch64_be-linux-gnu/bits/wordsize.h b/lib/libc/include/aarch64_be-linux-gnu/bits/wordsize.h
index 52f24f0980d4fd5285e1e0b9227a42ac7f1a1a0e..68b28bf2d7dbc043f48f272d988dbbac707812f9 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/bits/wordsize.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/bits/wordsize.h
@@ -1,6 +1,6 @@
 /* Determine the wordsize from the preprocessor defines.
 
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifdef __LP64__
 # define __WORDSIZE			64
diff --git a/lib/libc/include/aarch64_be-linux-gnu/fpu_control.h b/lib/libc/include/aarch64_be-linux-gnu/fpu_control.h
index eac02cfe26ee9e0fda567681eb5fa8a48c506fe8..ba2e530b10c9f0f3a3253f77f6d65a09169f0c27 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/fpu_control.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/fpu_control.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _AARCH64_FPU_CONTROL_H
 #define _AARCH64_FPU_CONTROL_H
diff --git a/lib/libc/include/aarch64_be-linux-gnu/ieee754.h b/lib/libc/include/aarch64_be-linux-gnu/ieee754.h
index e347e4a6e5a36c408ea12ee78ef6652b4538f183..63fa9c5fce55fe7d0e8c9be919b20e89c0b466a4 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/ieee754.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,14 +13,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
diff --git a/lib/libc/include/aarch64_be-linux-gnu/sys/elf.h b/lib/libc/include/aarch64_be-linux-gnu/sys/elf.h
index d7062a3a914a05ac4c9f5337a381d392b6d8e33d..e3e2bac7b2a7497eb4d31127582775151dc873ae 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/sys/elf.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/sys/elf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_ELF_H
 #define _SYS_ELF_H	1
diff --git a/lib/libc/include/aarch64_be-linux-gnu/sys/ptrace.h b/lib/libc/include/aarch64_be-linux-gnu/sys/ptrace.h
index 59b06682a95754a29ba8894418093914a9638b28..ce7f6bf7c026fe789aeee69869d60c99acfab2d0 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/sys/ptrace.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/AArch64 version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PTRACE_H
 #define _SYS_PTRACE_H	1
@@ -136,8 +136,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/aarch64_be-linux-gnu/sys/ucontext.h b/lib/libc/include/aarch64_be-linux-gnu/sys/ucontext.h
index 273ba806ddaebe1ea932b3f48cdf2bd6c30f6bdd..a3ede3eb97c880cf191613c75b55964f426e6559 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/sys/ucontext.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* System V/AArch64 ABI compliant context switching support.  */
 
diff --git a/lib/libc/include/aarch64_be-linux-gnu/sys/user.h b/lib/libc/include/aarch64_be-linux-gnu/sys/user.h
index 8daa97548a5496d541e47549554bd7c598f41564..ce78f804714629448677f8ef55a4b0d86863b65a 100644
--- a/lib/libc/include/aarch64_be-linux-gnu/sys/user.h
+++ b/lib/libc/include/aarch64_be-linux-gnu/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2009-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2009-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 #define _SYS_USER_H	1
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/endian.h b/lib/libc/include/arm-linux-gnueabi/bits/endian.h
deleted file mode 100644
index 8325d51253086b628cc9d21a5ff6ae1dd06b7953..0000000000000000000000000000000000000000
--- a/lib/libc/include/arm-linux-gnueabi/bits/endian.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-/* ARM can be either big or little endian.  */
-#ifdef __ARMEB__
-#define __BYTE_ORDER __BIG_ENDIAN
-#else
-#define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
\ No newline at end of file
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/endianness.h b/lib/libc/include/arm-linux-gnueabi/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..8e938abfb9d896f8444cea2d5a9faa3bf967ea41
--- /dev/null
+++ b/lib/libc/include/arm-linux-gnueabi/bits/endianness.h
@@ -0,0 +1,15 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* ARM has selectable endianness.  */
+#ifdef __ARMEB__
+#define __BYTE_ORDER __BIG_ENDIAN
+#else
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/fcntl.h b/lib/libc/include/arm-linux-gnueabi/bits/fcntl.h
index 77edfb78fbce19134c82c63a6a7b00d7fc717ed3..fdb169449b6afeb160aadc10a1df3ce9b7582efe 100644
--- a/lib/libc/include/arm-linux-gnueabi/bits/fcntl.h
+++ b/lib/libc/include/arm-linux-gnueabi/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/fenv.h b/lib/libc/include/arm-linux-gnueabi/bits/fenv.h
index b8fbba6258553d7ddb3fe7c244182af34319efb1..654776420e29e71414e32fff69a870c63a2d33a2 100644
--- a/lib/libc/include/arm-linux-gnueabi/bits/fenv.h
+++ b/lib/libc/include/arm-linux-gnueabi/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -81,7 +81,7 @@ fenv_t;
 # define FE_NOMASK_ENV  ((const fenv_t *) -2)
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef unsigned int femode_t;
 
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/floatn.h b/lib/libc/include/arm-linux-gnueabi/bits/floatn.h
index 24852b68009ed964cb7768412f92174de3497e6b..2900001e821480f3131c820eeec1c4aa7b7abe7d 100644
--- a/lib/libc/include/arm-linux-gnueabi/bits/floatn.h
+++ b/lib/libc/include/arm-linux-gnueabi/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Defined to 1 if the current compiler invocation provides a
    floating-point type with the IEEE 754 binary128 format, and this glibc
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/hwcap.h b/lib/libc/include/arm-linux-gnueabi/bits/hwcap.h
index a31befca4eeb9b7e6a63c565d73f5b832b7b381e..b62600861256ef6e61e0ae4adaec129462f7daf9 100644
--- a/lib/libc/include/arm-linux-gnueabi/bits/hwcap.h
+++ b/lib/libc/include/arm-linux-gnueabi/bits/hwcap.h
@@ -1,5 +1,5 @@
 /* Defines for bits in AT_HWCAP.  ARM Linux version.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined (_SYS_AUXV_H) && !defined (_LINUX_ARM_SYSDEP_H)
 # error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/link.h b/lib/libc/include/arm-linux-gnueabi/bits/link.h
index 5dee177ce6c9aebec4987976f1331f070cb1ee8c..7ebb2785d6c6104216ec69a4f25bef0e6c9eee9d 100644
--- a/lib/libc/include/arm-linux-gnueabi/bits/link.h
+++ b/lib/libc/include/arm-linux-gnueabi/bits/link.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/long-double.h b/lib/libc/include/arm-linux-gnueabi/bits/long-double.h
index 125807d07a458e1643edb543a1520b1a3341ff33..13e74241e140317a940449f4d517c3ee5fde1542 100644
--- a/lib/libc/include/arm-linux-gnueabi/bits/long-double.h
+++ b/lib/libc/include/arm-linux-gnueabi/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This header is included by <sys/cdefs.h>.
 
@@ -36,4 +36,5 @@
    ABI-compatible with double.  */
 #ifndef __NO_LONG_DOUBLE_MATH
 # define __NO_LONG_DOUBLE_MATH	1
-#endif
\ No newline at end of file
+#endif
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/procfs-id.h b/lib/libc/include/arm-linux-gnueabi/bits/procfs-id.h
index 35582db16f4a04d665edbb563b30237b27234b67..48da66726bc001e7e4a4b2157d8383896b9bcc4e 100644
--- a/lib/libc/include/arm-linux-gnueabi/bits/procfs-id.h
+++ b/lib/libc/include/arm-linux-gnueabi/bits/procfs-id.h
@@ -1,5 +1,5 @@
 /* Types of pr_uid and pr_gid in struct elf_prpsinfo.  Arm version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-id.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/procfs.h b/lib/libc/include/arm-linux-gnueabi/bits/procfs.h
index 3e91a588d884dd5aa4b3f1475a662c355e16141b..8a92b69bd47c1c9da9180990e0d68befbbf996ab 100644
--- a/lib/libc/include/arm-linux-gnueabi/bits/procfs.h
+++ b/lib/libc/include/arm-linux-gnueabi/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  Arm version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/pthreadtypes-arch.h b/lib/libc/include/arm-linux-gnueabi/bits/pthreadtypes-arch.h
deleted file mode 100644
index c46bf4f3fded575b35a4cc49ca846bf628e680bc..0000000000000000000000000000000000000000
--- a/lib/libc/include/arm-linux-gnueabi/bits/pthreadtypes-arch.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _BITS_PTHREADTYPES_ARCH_H
-#define _BITS_PTHREADTYPES_ARCH_H	1
-
-#include <endian.h>
-
-#define __SIZEOF_PTHREAD_ATTR_T 36
-#define __SIZEOF_PTHREAD_MUTEX_T 24
-#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
-#define __SIZEOF_PTHREAD_COND_T 48
-#define __SIZEOF_PTHREAD_CONDATTR_T 4
-#define __SIZEOF_PTHREAD_RWLOCK_T 32
-#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
-#define __SIZEOF_PTHREAD_BARRIER_T 20
-#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
-
-/* Data structure for mutex handling. */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  1
-#define __PTHREAD_MUTEX_USE_UNION          1
-
-#define __LOCK_ALIGNMENT
-#define __ONCE_ALIGNMENT
-
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#if __BYTE_ORDER == __BIG_ENDIAN
-  unsigned char __pad1;
-  unsigned char __pad2;
-  unsigned char __shared;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-#else
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  unsigned char __shared;
-  unsigned char __pad1;
-  unsigned char __pad2;
-#endif
-  int __cur_writer;
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-
-#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/semaphore.h b/lib/libc/include/arm-linux-gnueabi/bits/semaphore.h
index acde20be363f0ba197621f5630ed5ce753c4f07f..3dd94baf34939a3aa7fe9a2b5ecf7aaa9c359635 100644
--- a/lib/libc/include/arm-linux-gnueabi/bits/semaphore.h
+++ b/lib/libc/include/arm-linux-gnueabi/bits/semaphore.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/setjmp.h b/lib/libc/include/arm-linux-gnueabi/bits/setjmp.h
index 2b50cca9820c4e643f9077fd28b86db60bd46c36..09125787925310ab32c04f946c2ad69c22c13b09 100644
--- a/lib/libc/include/arm-linux-gnueabi/bits/setjmp.h
+++ b/lib/libc/include/arm-linux-gnueabi/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Define the machine-dependent type `jmp_buf'.  ARM EABI version.  */
 
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/shmlba.h b/lib/libc/include/arm-linux-gnueabi/bits/shmlba.h
index 53ceb23b31bafa2f109f1ccf119abd1ac9d9210d..75efb7ce5056b5cee94bb3fc31a0da43c3426795 100644
--- a/lib/libc/include/arm-linux-gnueabi/bits/shmlba.h
+++ b/lib/libc/include/arm-linux-gnueabi/bits/shmlba.h
@@ -1,5 +1,5 @@
 /* Define SHMLBA.  ARM version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/stat.h b/lib/libc/include/arm-linux-gnueabi/bits/stat.h
index 16336f5ec1274e3aed2cf37a829b3057d56bbb0b..f6c3b7a3faa7c23d88d0dcd303d9910424560ed9 100644
--- a/lib/libc/include/arm-linux-gnueabi/bits/stat.h
+++ b/lib/libc/include/arm-linux-gnueabi/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/struct_rwlock.h b/lib/libc/include/arm-linux-gnueabi/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..f6c7499dabff2287e7f156a8f6153217d8e69ea5
--- /dev/null
+++ b/lib/libc/include/arm-linux-gnueabi/bits/struct_rwlock.h
@@ -0,0 +1,61 @@
+/* Default read-write lock implementation struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef __RWLOCK_INTERNAL_H
+#define __RWLOCK_INTERNAL_H
+
+#include <bits/endian.h>
+
+/* Generic struct for both POSIX read-write lock.  New ports are expected
+   to use the default layout, however archictetures can redefine it to add
+   arch-specific extensions (such as lock-elision).  The struct have a size
+   of 32 bytes on both LP32 and LP64 architectures.  */
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+  /* FLAGS must stay at its position in the structure to maintain
+     binary compatibility.  */
+#if __BYTE_ORDER == __BIG_ENDIAN
+  unsigned char __pad1;
+  unsigned char __pad2;
+  unsigned char __shared;
+  unsigned char __flags;
+#else
+  unsigned char __flags;
+  unsigned char __shared;
+  unsigned char __pad1;
+  unsigned char __pad2;
+#endif
+  int __cur_writer;
+};
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, __flags, 0
+#else
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, __flags, 0, 0, 0, 0
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/arm-linux-gnueabi/bits/wordsize.h b/lib/libc/include/arm-linux-gnueabi/bits/wordsize.h
index 3485a5acf2731675ae2ec05a5a3a98793cc5b372..f0838f91080a69db9966cf56d882f3a410ce42b4 100644
--- a/lib/libc/include/arm-linux-gnueabi/bits/wordsize.h
+++ b/lib/libc/include/arm-linux-gnueabi/bits/wordsize.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #define __WORDSIZE			32
 #define __WORDSIZE_TIME64_COMPAT32	0
diff --git a/lib/libc/include/arm-linux-gnueabi/fpu_control.h b/lib/libc/include/arm-linux-gnueabi/fpu_control.h
index 9d6c65112efb563294c5d198579850ff015a0f40..ad7499221888509392901f1abbc8a568d67271c8 100644
--- a/lib/libc/include/arm-linux-gnueabi/fpu_control.h
+++ b/lib/libc/include/arm-linux-gnueabi/fpu_control.h
@@ -1,5 +1,5 @@
 /* FPU control word definitions.  ARM VFP version.
-   Copyright (C) 2004-2019 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H
diff --git a/lib/libc/include/arm-linux-gnueabi/sys/ptrace.h b/lib/libc/include/arm-linux-gnueabi/sys/ptrace.h
index 22d2bb12d49fe75d97b1f4e19c49e4cbe7598aa1..34be509f3296f8eae1334609e8f909b0f05491d6 100644
--- a/lib/libc/include/arm-linux-gnueabi/sys/ptrace.h
+++ b/lib/libc/include/arm-linux-gnueabi/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/ARM version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -196,8 +196,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/arm-linux-gnueabi/sys/ucontext.h b/lib/libc/include/arm-linux-gnueabi/sys/ucontext.h
index 79b51c3f94c3f985b23732977019f7c3944967fc..53ffc36a6cd177bb549a6f2a1fee59a2767a6921 100644
--- a/lib/libc/include/arm-linux-gnueabi/sys/ucontext.h
+++ b/lib/libc/include/arm-linux-gnueabi/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* System V/ARM ABI compliant context switching support.  */
 
diff --git a/lib/libc/include/arm-linux-gnueabi/sys/user.h b/lib/libc/include/arm-linux-gnueabi/sys/user.h
index 4916f5c01884d2201ff6b019c00263b219e28046..2b901bfba3c3ff328c5924097edc48a3f70f6d0b 100644
--- a/lib/libc/include/arm-linux-gnueabi/sys/user.h
+++ b/lib/libc/include/arm-linux-gnueabi/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 #define _SYS_USER_H	1
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/endian.h b/lib/libc/include/arm-linux-gnueabihf/bits/endian.h
deleted file mode 100644
index 8325d51253086b628cc9d21a5ff6ae1dd06b7953..0000000000000000000000000000000000000000
--- a/lib/libc/include/arm-linux-gnueabihf/bits/endian.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-/* ARM can be either big or little endian.  */
-#ifdef __ARMEB__
-#define __BYTE_ORDER __BIG_ENDIAN
-#else
-#define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
\ No newline at end of file
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/endianness.h b/lib/libc/include/arm-linux-gnueabihf/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..8e938abfb9d896f8444cea2d5a9faa3bf967ea41
--- /dev/null
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/endianness.h
@@ -0,0 +1,15 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* ARM has selectable endianness.  */
+#ifdef __ARMEB__
+#define __BYTE_ORDER __BIG_ENDIAN
+#else
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/fcntl.h b/lib/libc/include/arm-linux-gnueabihf/bits/fcntl.h
index 77edfb78fbce19134c82c63a6a7b00d7fc717ed3..fdb169449b6afeb160aadc10a1df3ce9b7582efe 100644
--- a/lib/libc/include/arm-linux-gnueabihf/bits/fcntl.h
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/fenv.h b/lib/libc/include/arm-linux-gnueabihf/bits/fenv.h
index b8fbba6258553d7ddb3fe7c244182af34319efb1..654776420e29e71414e32fff69a870c63a2d33a2 100644
--- a/lib/libc/include/arm-linux-gnueabihf/bits/fenv.h
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -81,7 +81,7 @@ fenv_t;
 # define FE_NOMASK_ENV  ((const fenv_t *) -2)
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef unsigned int femode_t;
 
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/floatn.h b/lib/libc/include/arm-linux-gnueabihf/bits/floatn.h
index 24852b68009ed964cb7768412f92174de3497e6b..2900001e821480f3131c820eeec1c4aa7b7abe7d 100644
--- a/lib/libc/include/arm-linux-gnueabihf/bits/floatn.h
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Defined to 1 if the current compiler invocation provides a
    floating-point type with the IEEE 754 binary128 format, and this glibc
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/hwcap.h b/lib/libc/include/arm-linux-gnueabihf/bits/hwcap.h
index a31befca4eeb9b7e6a63c565d73f5b832b7b381e..b62600861256ef6e61e0ae4adaec129462f7daf9 100644
--- a/lib/libc/include/arm-linux-gnueabihf/bits/hwcap.h
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/hwcap.h
@@ -1,5 +1,5 @@
 /* Defines for bits in AT_HWCAP.  ARM Linux version.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined (_SYS_AUXV_H) && !defined (_LINUX_ARM_SYSDEP_H)
 # error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/link.h b/lib/libc/include/arm-linux-gnueabihf/bits/link.h
index 5dee177ce6c9aebec4987976f1331f070cb1ee8c..7ebb2785d6c6104216ec69a4f25bef0e6c9eee9d 100644
--- a/lib/libc/include/arm-linux-gnueabihf/bits/link.h
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/link.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/long-double.h b/lib/libc/include/arm-linux-gnueabihf/bits/long-double.h
index 125807d07a458e1643edb543a1520b1a3341ff33..13e74241e140317a940449f4d517c3ee5fde1542 100644
--- a/lib/libc/include/arm-linux-gnueabihf/bits/long-double.h
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This header is included by <sys/cdefs.h>.
 
@@ -36,4 +36,5 @@
    ABI-compatible with double.  */
 #ifndef __NO_LONG_DOUBLE_MATH
 # define __NO_LONG_DOUBLE_MATH	1
-#endif
\ No newline at end of file
+#endif
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/procfs-id.h b/lib/libc/include/arm-linux-gnueabihf/bits/procfs-id.h
index 35582db16f4a04d665edbb563b30237b27234b67..48da66726bc001e7e4a4b2157d8383896b9bcc4e 100644
--- a/lib/libc/include/arm-linux-gnueabihf/bits/procfs-id.h
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/procfs-id.h
@@ -1,5 +1,5 @@
 /* Types of pr_uid and pr_gid in struct elf_prpsinfo.  Arm version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-id.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/procfs.h b/lib/libc/include/arm-linux-gnueabihf/bits/procfs.h
index 3e91a588d884dd5aa4b3f1475a662c355e16141b..8a92b69bd47c1c9da9180990e0d68befbbf996ab 100644
--- a/lib/libc/include/arm-linux-gnueabihf/bits/procfs.h
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  Arm version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/pthreadtypes-arch.h b/lib/libc/include/arm-linux-gnueabihf/bits/pthreadtypes-arch.h
deleted file mode 100644
index c46bf4f3fded575b35a4cc49ca846bf628e680bc..0000000000000000000000000000000000000000
--- a/lib/libc/include/arm-linux-gnueabihf/bits/pthreadtypes-arch.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _BITS_PTHREADTYPES_ARCH_H
-#define _BITS_PTHREADTYPES_ARCH_H	1
-
-#include <endian.h>
-
-#define __SIZEOF_PTHREAD_ATTR_T 36
-#define __SIZEOF_PTHREAD_MUTEX_T 24
-#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
-#define __SIZEOF_PTHREAD_COND_T 48
-#define __SIZEOF_PTHREAD_CONDATTR_T 4
-#define __SIZEOF_PTHREAD_RWLOCK_T 32
-#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
-#define __SIZEOF_PTHREAD_BARRIER_T 20
-#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
-
-/* Data structure for mutex handling. */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  1
-#define __PTHREAD_MUTEX_USE_UNION          1
-
-#define __LOCK_ALIGNMENT
-#define __ONCE_ALIGNMENT
-
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#if __BYTE_ORDER == __BIG_ENDIAN
-  unsigned char __pad1;
-  unsigned char __pad2;
-  unsigned char __shared;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-#else
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  unsigned char __shared;
-  unsigned char __pad1;
-  unsigned char __pad2;
-#endif
-  int __cur_writer;
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-
-#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/semaphore.h b/lib/libc/include/arm-linux-gnueabihf/bits/semaphore.h
index acde20be363f0ba197621f5630ed5ce753c4f07f..3dd94baf34939a3aa7fe9a2b5ecf7aaa9c359635 100644
--- a/lib/libc/include/arm-linux-gnueabihf/bits/semaphore.h
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/semaphore.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/setjmp.h b/lib/libc/include/arm-linux-gnueabihf/bits/setjmp.h
index 2b50cca9820c4e643f9077fd28b86db60bd46c36..09125787925310ab32c04f946c2ad69c22c13b09 100644
--- a/lib/libc/include/arm-linux-gnueabihf/bits/setjmp.h
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Define the machine-dependent type `jmp_buf'.  ARM EABI version.  */
 
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/shmlba.h b/lib/libc/include/arm-linux-gnueabihf/bits/shmlba.h
index 53ceb23b31bafa2f109f1ccf119abd1ac9d9210d..75efb7ce5056b5cee94bb3fc31a0da43c3426795 100644
--- a/lib/libc/include/arm-linux-gnueabihf/bits/shmlba.h
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/shmlba.h
@@ -1,5 +1,5 @@
 /* Define SHMLBA.  ARM version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/stat.h b/lib/libc/include/arm-linux-gnueabihf/bits/stat.h
index 16336f5ec1274e3aed2cf37a829b3057d56bbb0b..f6c3b7a3faa7c23d88d0dcd303d9910424560ed9 100644
--- a/lib/libc/include/arm-linux-gnueabihf/bits/stat.h
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/struct_rwlock.h b/lib/libc/include/arm-linux-gnueabihf/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..f6c7499dabff2287e7f156a8f6153217d8e69ea5
--- /dev/null
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/struct_rwlock.h
@@ -0,0 +1,61 @@
+/* Default read-write lock implementation struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef __RWLOCK_INTERNAL_H
+#define __RWLOCK_INTERNAL_H
+
+#include <bits/endian.h>
+
+/* Generic struct for both POSIX read-write lock.  New ports are expected
+   to use the default layout, however archictetures can redefine it to add
+   arch-specific extensions (such as lock-elision).  The struct have a size
+   of 32 bytes on both LP32 and LP64 architectures.  */
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+  /* FLAGS must stay at its position in the structure to maintain
+     binary compatibility.  */
+#if __BYTE_ORDER == __BIG_ENDIAN
+  unsigned char __pad1;
+  unsigned char __pad2;
+  unsigned char __shared;
+  unsigned char __flags;
+#else
+  unsigned char __flags;
+  unsigned char __shared;
+  unsigned char __pad1;
+  unsigned char __pad2;
+#endif
+  int __cur_writer;
+};
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, __flags, 0
+#else
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, __flags, 0, 0, 0, 0
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/arm-linux-gnueabihf/bits/wordsize.h b/lib/libc/include/arm-linux-gnueabihf/bits/wordsize.h
index 3485a5acf2731675ae2ec05a5a3a98793cc5b372..f0838f91080a69db9966cf56d882f3a410ce42b4 100644
--- a/lib/libc/include/arm-linux-gnueabihf/bits/wordsize.h
+++ b/lib/libc/include/arm-linux-gnueabihf/bits/wordsize.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #define __WORDSIZE			32
 #define __WORDSIZE_TIME64_COMPAT32	0
diff --git a/lib/libc/include/arm-linux-gnueabihf/fpu_control.h b/lib/libc/include/arm-linux-gnueabihf/fpu_control.h
index 9d6c65112efb563294c5d198579850ff015a0f40..ad7499221888509392901f1abbc8a568d67271c8 100644
--- a/lib/libc/include/arm-linux-gnueabihf/fpu_control.h
+++ b/lib/libc/include/arm-linux-gnueabihf/fpu_control.h
@@ -1,5 +1,5 @@
 /* FPU control word definitions.  ARM VFP version.
-   Copyright (C) 2004-2019 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H
diff --git a/lib/libc/include/arm-linux-gnueabihf/sys/ptrace.h b/lib/libc/include/arm-linux-gnueabihf/sys/ptrace.h
index 22d2bb12d49fe75d97b1f4e19c49e4cbe7598aa1..34be509f3296f8eae1334609e8f909b0f05491d6 100644
--- a/lib/libc/include/arm-linux-gnueabihf/sys/ptrace.h
+++ b/lib/libc/include/arm-linux-gnueabihf/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/ARM version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -196,8 +196,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/arm-linux-gnueabihf/sys/ucontext.h b/lib/libc/include/arm-linux-gnueabihf/sys/ucontext.h
index 79b51c3f94c3f985b23732977019f7c3944967fc..53ffc36a6cd177bb549a6f2a1fee59a2767a6921 100644
--- a/lib/libc/include/arm-linux-gnueabihf/sys/ucontext.h
+++ b/lib/libc/include/arm-linux-gnueabihf/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* System V/ARM ABI compliant context switching support.  */
 
diff --git a/lib/libc/include/arm-linux-gnueabihf/sys/user.h b/lib/libc/include/arm-linux-gnueabihf/sys/user.h
index 4916f5c01884d2201ff6b019c00263b219e28046..2b901bfba3c3ff328c5924097edc48a3f70f6d0b 100644
--- a/lib/libc/include/arm-linux-gnueabihf/sys/user.h
+++ b/lib/libc/include/arm-linux-gnueabihf/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 #define _SYS_USER_H	1
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/endian.h b/lib/libc/include/armeb-linux-gnueabi/bits/endian.h
deleted file mode 100644
index 8325d51253086b628cc9d21a5ff6ae1dd06b7953..0000000000000000000000000000000000000000
--- a/lib/libc/include/armeb-linux-gnueabi/bits/endian.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-/* ARM can be either big or little endian.  */
-#ifdef __ARMEB__
-#define __BYTE_ORDER __BIG_ENDIAN
-#else
-#define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
\ No newline at end of file
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/endianness.h b/lib/libc/include/armeb-linux-gnueabi/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..8e938abfb9d896f8444cea2d5a9faa3bf967ea41
--- /dev/null
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/endianness.h
@@ -0,0 +1,15 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* ARM has selectable endianness.  */
+#ifdef __ARMEB__
+#define __BYTE_ORDER __BIG_ENDIAN
+#else
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/fcntl.h b/lib/libc/include/armeb-linux-gnueabi/bits/fcntl.h
index 77edfb78fbce19134c82c63a6a7b00d7fc717ed3..fdb169449b6afeb160aadc10a1df3ce9b7582efe 100644
--- a/lib/libc/include/armeb-linux-gnueabi/bits/fcntl.h
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/fenv.h b/lib/libc/include/armeb-linux-gnueabi/bits/fenv.h
index b8fbba6258553d7ddb3fe7c244182af34319efb1..654776420e29e71414e32fff69a870c63a2d33a2 100644
--- a/lib/libc/include/armeb-linux-gnueabi/bits/fenv.h
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -81,7 +81,7 @@ fenv_t;
 # define FE_NOMASK_ENV  ((const fenv_t *) -2)
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef unsigned int femode_t;
 
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/floatn.h b/lib/libc/include/armeb-linux-gnueabi/bits/floatn.h
index 24852b68009ed964cb7768412f92174de3497e6b..2900001e821480f3131c820eeec1c4aa7b7abe7d 100644
--- a/lib/libc/include/armeb-linux-gnueabi/bits/floatn.h
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Defined to 1 if the current compiler invocation provides a
    floating-point type with the IEEE 754 binary128 format, and this glibc
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/hwcap.h b/lib/libc/include/armeb-linux-gnueabi/bits/hwcap.h
index a31befca4eeb9b7e6a63c565d73f5b832b7b381e..b62600861256ef6e61e0ae4adaec129462f7daf9 100644
--- a/lib/libc/include/armeb-linux-gnueabi/bits/hwcap.h
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/hwcap.h
@@ -1,5 +1,5 @@
 /* Defines for bits in AT_HWCAP.  ARM Linux version.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined (_SYS_AUXV_H) && !defined (_LINUX_ARM_SYSDEP_H)
 # error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/link.h b/lib/libc/include/armeb-linux-gnueabi/bits/link.h
index 5dee177ce6c9aebec4987976f1331f070cb1ee8c..7ebb2785d6c6104216ec69a4f25bef0e6c9eee9d 100644
--- a/lib/libc/include/armeb-linux-gnueabi/bits/link.h
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/link.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/long-double.h b/lib/libc/include/armeb-linux-gnueabi/bits/long-double.h
index 125807d07a458e1643edb543a1520b1a3341ff33..13e74241e140317a940449f4d517c3ee5fde1542 100644
--- a/lib/libc/include/armeb-linux-gnueabi/bits/long-double.h
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This header is included by <sys/cdefs.h>.
 
@@ -36,4 +36,5 @@
    ABI-compatible with double.  */
 #ifndef __NO_LONG_DOUBLE_MATH
 # define __NO_LONG_DOUBLE_MATH	1
-#endif
\ No newline at end of file
+#endif
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/procfs-id.h b/lib/libc/include/armeb-linux-gnueabi/bits/procfs-id.h
index 35582db16f4a04d665edbb563b30237b27234b67..48da66726bc001e7e4a4b2157d8383896b9bcc4e 100644
--- a/lib/libc/include/armeb-linux-gnueabi/bits/procfs-id.h
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/procfs-id.h
@@ -1,5 +1,5 @@
 /* Types of pr_uid and pr_gid in struct elf_prpsinfo.  Arm version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-id.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/procfs.h b/lib/libc/include/armeb-linux-gnueabi/bits/procfs.h
index 3e91a588d884dd5aa4b3f1475a662c355e16141b..8a92b69bd47c1c9da9180990e0d68befbbf996ab 100644
--- a/lib/libc/include/armeb-linux-gnueabi/bits/procfs.h
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  Arm version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/pthreadtypes-arch.h b/lib/libc/include/armeb-linux-gnueabi/bits/pthreadtypes-arch.h
deleted file mode 100644
index c46bf4f3fded575b35a4cc49ca846bf628e680bc..0000000000000000000000000000000000000000
--- a/lib/libc/include/armeb-linux-gnueabi/bits/pthreadtypes-arch.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _BITS_PTHREADTYPES_ARCH_H
-#define _BITS_PTHREADTYPES_ARCH_H	1
-
-#include <endian.h>
-
-#define __SIZEOF_PTHREAD_ATTR_T 36
-#define __SIZEOF_PTHREAD_MUTEX_T 24
-#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
-#define __SIZEOF_PTHREAD_COND_T 48
-#define __SIZEOF_PTHREAD_CONDATTR_T 4
-#define __SIZEOF_PTHREAD_RWLOCK_T 32
-#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
-#define __SIZEOF_PTHREAD_BARRIER_T 20
-#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
-
-/* Data structure for mutex handling. */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  1
-#define __PTHREAD_MUTEX_USE_UNION          1
-
-#define __LOCK_ALIGNMENT
-#define __ONCE_ALIGNMENT
-
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#if __BYTE_ORDER == __BIG_ENDIAN
-  unsigned char __pad1;
-  unsigned char __pad2;
-  unsigned char __shared;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-#else
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  unsigned char __shared;
-  unsigned char __pad1;
-  unsigned char __pad2;
-#endif
-  int __cur_writer;
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-
-#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/semaphore.h b/lib/libc/include/armeb-linux-gnueabi/bits/semaphore.h
index acde20be363f0ba197621f5630ed5ce753c4f07f..3dd94baf34939a3aa7fe9a2b5ecf7aaa9c359635 100644
--- a/lib/libc/include/armeb-linux-gnueabi/bits/semaphore.h
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/semaphore.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/setjmp.h b/lib/libc/include/armeb-linux-gnueabi/bits/setjmp.h
index 2b50cca9820c4e643f9077fd28b86db60bd46c36..09125787925310ab32c04f946c2ad69c22c13b09 100644
--- a/lib/libc/include/armeb-linux-gnueabi/bits/setjmp.h
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Define the machine-dependent type `jmp_buf'.  ARM EABI version.  */
 
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/shmlba.h b/lib/libc/include/armeb-linux-gnueabi/bits/shmlba.h
index 53ceb23b31bafa2f109f1ccf119abd1ac9d9210d..75efb7ce5056b5cee94bb3fc31a0da43c3426795 100644
--- a/lib/libc/include/armeb-linux-gnueabi/bits/shmlba.h
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/shmlba.h
@@ -1,5 +1,5 @@
 /* Define SHMLBA.  ARM version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/stat.h b/lib/libc/include/armeb-linux-gnueabi/bits/stat.h
index 16336f5ec1274e3aed2cf37a829b3057d56bbb0b..f6c3b7a3faa7c23d88d0dcd303d9910424560ed9 100644
--- a/lib/libc/include/armeb-linux-gnueabi/bits/stat.h
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/struct_rwlock.h b/lib/libc/include/armeb-linux-gnueabi/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..f6c7499dabff2287e7f156a8f6153217d8e69ea5
--- /dev/null
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/struct_rwlock.h
@@ -0,0 +1,61 @@
+/* Default read-write lock implementation struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef __RWLOCK_INTERNAL_H
+#define __RWLOCK_INTERNAL_H
+
+#include <bits/endian.h>
+
+/* Generic struct for both POSIX read-write lock.  New ports are expected
+   to use the default layout, however archictetures can redefine it to add
+   arch-specific extensions (such as lock-elision).  The struct have a size
+   of 32 bytes on both LP32 and LP64 architectures.  */
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+  /* FLAGS must stay at its position in the structure to maintain
+     binary compatibility.  */
+#if __BYTE_ORDER == __BIG_ENDIAN
+  unsigned char __pad1;
+  unsigned char __pad2;
+  unsigned char __shared;
+  unsigned char __flags;
+#else
+  unsigned char __flags;
+  unsigned char __shared;
+  unsigned char __pad1;
+  unsigned char __pad2;
+#endif
+  int __cur_writer;
+};
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, __flags, 0
+#else
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, __flags, 0, 0, 0, 0
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/armeb-linux-gnueabi/bits/wordsize.h b/lib/libc/include/armeb-linux-gnueabi/bits/wordsize.h
index 3485a5acf2731675ae2ec05a5a3a98793cc5b372..f0838f91080a69db9966cf56d882f3a410ce42b4 100644
--- a/lib/libc/include/armeb-linux-gnueabi/bits/wordsize.h
+++ b/lib/libc/include/armeb-linux-gnueabi/bits/wordsize.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #define __WORDSIZE			32
 #define __WORDSIZE_TIME64_COMPAT32	0
diff --git a/lib/libc/include/armeb-linux-gnueabi/fpu_control.h b/lib/libc/include/armeb-linux-gnueabi/fpu_control.h
index 9d6c65112efb563294c5d198579850ff015a0f40..ad7499221888509392901f1abbc8a568d67271c8 100644
--- a/lib/libc/include/armeb-linux-gnueabi/fpu_control.h
+++ b/lib/libc/include/armeb-linux-gnueabi/fpu_control.h
@@ -1,5 +1,5 @@
 /* FPU control word definitions.  ARM VFP version.
-   Copyright (C) 2004-2019 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H
diff --git a/lib/libc/include/armeb-linux-gnueabi/sys/ptrace.h b/lib/libc/include/armeb-linux-gnueabi/sys/ptrace.h
index 22d2bb12d49fe75d97b1f4e19c49e4cbe7598aa1..34be509f3296f8eae1334609e8f909b0f05491d6 100644
--- a/lib/libc/include/armeb-linux-gnueabi/sys/ptrace.h
+++ b/lib/libc/include/armeb-linux-gnueabi/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/ARM version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -196,8 +196,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/armeb-linux-gnueabi/sys/ucontext.h b/lib/libc/include/armeb-linux-gnueabi/sys/ucontext.h
index 79b51c3f94c3f985b23732977019f7c3944967fc..53ffc36a6cd177bb549a6f2a1fee59a2767a6921 100644
--- a/lib/libc/include/armeb-linux-gnueabi/sys/ucontext.h
+++ b/lib/libc/include/armeb-linux-gnueabi/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* System V/ARM ABI compliant context switching support.  */
 
diff --git a/lib/libc/include/armeb-linux-gnueabi/sys/user.h b/lib/libc/include/armeb-linux-gnueabi/sys/user.h
index 4916f5c01884d2201ff6b019c00263b219e28046..2b901bfba3c3ff328c5924097edc48a3f70f6d0b 100644
--- a/lib/libc/include/armeb-linux-gnueabi/sys/user.h
+++ b/lib/libc/include/armeb-linux-gnueabi/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 #define _SYS_USER_H	1
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/endian.h b/lib/libc/include/armeb-linux-gnueabihf/bits/endian.h
deleted file mode 100644
index 8325d51253086b628cc9d21a5ff6ae1dd06b7953..0000000000000000000000000000000000000000
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/endian.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-/* ARM can be either big or little endian.  */
-#ifdef __ARMEB__
-#define __BYTE_ORDER __BIG_ENDIAN
-#else
-#define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
\ No newline at end of file
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/endianness.h b/lib/libc/include/armeb-linux-gnueabihf/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..8e938abfb9d896f8444cea2d5a9faa3bf967ea41
--- /dev/null
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/endianness.h
@@ -0,0 +1,15 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* ARM has selectable endianness.  */
+#ifdef __ARMEB__
+#define __BYTE_ORDER __BIG_ENDIAN
+#else
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/fcntl.h b/lib/libc/include/armeb-linux-gnueabihf/bits/fcntl.h
index 77edfb78fbce19134c82c63a6a7b00d7fc717ed3..fdb169449b6afeb160aadc10a1df3ce9b7582efe 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/fcntl.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/fenv.h b/lib/libc/include/armeb-linux-gnueabihf/bits/fenv.h
index b8fbba6258553d7ddb3fe7c244182af34319efb1..654776420e29e71414e32fff69a870c63a2d33a2 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/fenv.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -81,7 +81,7 @@ fenv_t;
 # define FE_NOMASK_ENV  ((const fenv_t *) -2)
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef unsigned int femode_t;
 
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/floatn.h b/lib/libc/include/armeb-linux-gnueabihf/bits/floatn.h
index 24852b68009ed964cb7768412f92174de3497e6b..2900001e821480f3131c820eeec1c4aa7b7abe7d 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/floatn.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Defined to 1 if the current compiler invocation provides a
    floating-point type with the IEEE 754 binary128 format, and this glibc
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/hwcap.h b/lib/libc/include/armeb-linux-gnueabihf/bits/hwcap.h
index a31befca4eeb9b7e6a63c565d73f5b832b7b381e..b62600861256ef6e61e0ae4adaec129462f7daf9 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/hwcap.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/hwcap.h
@@ -1,5 +1,5 @@
 /* Defines for bits in AT_HWCAP.  ARM Linux version.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined (_SYS_AUXV_H) && !defined (_LINUX_ARM_SYSDEP_H)
 # error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/link.h b/lib/libc/include/armeb-linux-gnueabihf/bits/link.h
index 5dee177ce6c9aebec4987976f1331f070cb1ee8c..7ebb2785d6c6104216ec69a4f25bef0e6c9eee9d 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/link.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/link.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/long-double.h b/lib/libc/include/armeb-linux-gnueabihf/bits/long-double.h
index 125807d07a458e1643edb543a1520b1a3341ff33..13e74241e140317a940449f4d517c3ee5fde1542 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/long-double.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This header is included by <sys/cdefs.h>.
 
@@ -36,4 +36,5 @@
    ABI-compatible with double.  */
 #ifndef __NO_LONG_DOUBLE_MATH
 # define __NO_LONG_DOUBLE_MATH	1
-#endif
\ No newline at end of file
+#endif
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/procfs-id.h b/lib/libc/include/armeb-linux-gnueabihf/bits/procfs-id.h
index 35582db16f4a04d665edbb563b30237b27234b67..48da66726bc001e7e4a4b2157d8383896b9bcc4e 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/procfs-id.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/procfs-id.h
@@ -1,5 +1,5 @@
 /* Types of pr_uid and pr_gid in struct elf_prpsinfo.  Arm version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-id.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/procfs.h b/lib/libc/include/armeb-linux-gnueabihf/bits/procfs.h
index 3e91a588d884dd5aa4b3f1475a662c355e16141b..8a92b69bd47c1c9da9180990e0d68befbbf996ab 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/procfs.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  Arm version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/pthreadtypes-arch.h b/lib/libc/include/armeb-linux-gnueabihf/bits/pthreadtypes-arch.h
deleted file mode 100644
index c46bf4f3fded575b35a4cc49ca846bf628e680bc..0000000000000000000000000000000000000000
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/pthreadtypes-arch.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _BITS_PTHREADTYPES_ARCH_H
-#define _BITS_PTHREADTYPES_ARCH_H	1
-
-#include <endian.h>
-
-#define __SIZEOF_PTHREAD_ATTR_T 36
-#define __SIZEOF_PTHREAD_MUTEX_T 24
-#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
-#define __SIZEOF_PTHREAD_COND_T 48
-#define __SIZEOF_PTHREAD_CONDATTR_T 4
-#define __SIZEOF_PTHREAD_RWLOCK_T 32
-#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
-#define __SIZEOF_PTHREAD_BARRIER_T 20
-#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
-
-/* Data structure for mutex handling. */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  1
-#define __PTHREAD_MUTEX_USE_UNION          1
-
-#define __LOCK_ALIGNMENT
-#define __ONCE_ALIGNMENT
-
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#if __BYTE_ORDER == __BIG_ENDIAN
-  unsigned char __pad1;
-  unsigned char __pad2;
-  unsigned char __shared;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-#else
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  unsigned char __shared;
-  unsigned char __pad1;
-  unsigned char __pad2;
-#endif
-  int __cur_writer;
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-
-#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/semaphore.h b/lib/libc/include/armeb-linux-gnueabihf/bits/semaphore.h
index acde20be363f0ba197621f5630ed5ce753c4f07f..3dd94baf34939a3aa7fe9a2b5ecf7aaa9c359635 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/semaphore.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/semaphore.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/setjmp.h b/lib/libc/include/armeb-linux-gnueabihf/bits/setjmp.h
index 2b50cca9820c4e643f9077fd28b86db60bd46c36..09125787925310ab32c04f946c2ad69c22c13b09 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/setjmp.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Define the machine-dependent type `jmp_buf'.  ARM EABI version.  */
 
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/shmlba.h b/lib/libc/include/armeb-linux-gnueabihf/bits/shmlba.h
index 53ceb23b31bafa2f109f1ccf119abd1ac9d9210d..75efb7ce5056b5cee94bb3fc31a0da43c3426795 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/shmlba.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/shmlba.h
@@ -1,5 +1,5 @@
 /* Define SHMLBA.  ARM version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/stat.h b/lib/libc/include/armeb-linux-gnueabihf/bits/stat.h
index 16336f5ec1274e3aed2cf37a829b3057d56bbb0b..f6c3b7a3faa7c23d88d0dcd303d9910424560ed9 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/stat.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/struct_rwlock.h b/lib/libc/include/armeb-linux-gnueabihf/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..f6c7499dabff2287e7f156a8f6153217d8e69ea5
--- /dev/null
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/struct_rwlock.h
@@ -0,0 +1,61 @@
+/* Default read-write lock implementation struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef __RWLOCK_INTERNAL_H
+#define __RWLOCK_INTERNAL_H
+
+#include <bits/endian.h>
+
+/* Generic struct for both POSIX read-write lock.  New ports are expected
+   to use the default layout, however archictetures can redefine it to add
+   arch-specific extensions (such as lock-elision).  The struct have a size
+   of 32 bytes on both LP32 and LP64 architectures.  */
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+  /* FLAGS must stay at its position in the structure to maintain
+     binary compatibility.  */
+#if __BYTE_ORDER == __BIG_ENDIAN
+  unsigned char __pad1;
+  unsigned char __pad2;
+  unsigned char __shared;
+  unsigned char __flags;
+#else
+  unsigned char __flags;
+  unsigned char __shared;
+  unsigned char __pad1;
+  unsigned char __pad2;
+#endif
+  int __cur_writer;
+};
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, __flags, 0
+#else
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, __flags, 0, 0, 0, 0
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/armeb-linux-gnueabihf/bits/wordsize.h b/lib/libc/include/armeb-linux-gnueabihf/bits/wordsize.h
index 3485a5acf2731675ae2ec05a5a3a98793cc5b372..f0838f91080a69db9966cf56d882f3a410ce42b4 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/bits/wordsize.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/bits/wordsize.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #define __WORDSIZE			32
 #define __WORDSIZE_TIME64_COMPAT32	0
diff --git a/lib/libc/include/armeb-linux-gnueabihf/fpu_control.h b/lib/libc/include/armeb-linux-gnueabihf/fpu_control.h
index 9d6c65112efb563294c5d198579850ff015a0f40..ad7499221888509392901f1abbc8a568d67271c8 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/fpu_control.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/fpu_control.h
@@ -1,5 +1,5 @@
 /* FPU control word definitions.  ARM VFP version.
-   Copyright (C) 2004-2019 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H
diff --git a/lib/libc/include/armeb-linux-gnueabihf/sys/ptrace.h b/lib/libc/include/armeb-linux-gnueabihf/sys/ptrace.h
index 22d2bb12d49fe75d97b1f4e19c49e4cbe7598aa1..34be509f3296f8eae1334609e8f909b0f05491d6 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/sys/ptrace.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/ARM version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -196,8 +196,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/armeb-linux-gnueabihf/sys/ucontext.h b/lib/libc/include/armeb-linux-gnueabihf/sys/ucontext.h
index 79b51c3f94c3f985b23732977019f7c3944967fc..53ffc36a6cd177bb549a6f2a1fee59a2767a6921 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/sys/ucontext.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* System V/ARM ABI compliant context switching support.  */
 
diff --git a/lib/libc/include/armeb-linux-gnueabihf/sys/user.h b/lib/libc/include/armeb-linux-gnueabihf/sys/user.h
index 4916f5c01884d2201ff6b019c00263b219e28046..2b901bfba3c3ff328c5924097edc48a3f70f6d0b 100644
--- a/lib/libc/include/armeb-linux-gnueabihf/sys/user.h
+++ b/lib/libc/include/armeb-linux-gnueabihf/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 #define _SYS_USER_H	1
diff --git a/lib/libc/include/generic-glibc/aio.h b/lib/libc/include/generic-glibc/aio.h
index ed7b8bb86ff9af75a8951be5e0ec85bace0b8ba5..7028917727001c6d97d03386807d8e03fb7eb384 100644
--- a/lib/libc/include/generic-glibc/aio.h
+++ b/lib/libc/include/generic-glibc/aio.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * ISO/IEC 9945-1:1996 6.7: Asynchronous Input and Output
diff --git a/lib/libc/include/generic-glibc/aliases.h b/lib/libc/include/generic-glibc/aliases.h
index a671290051630b2d2cf00377dd4e3357b2fab097..ead8562ace21a32bd0b40f8db5ae0a91dd0c50dc 100644
--- a/lib/libc/include/generic-glibc/aliases.h
+++ b/lib/libc/include/generic-glibc/aliases.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _ALIASES_H
 #define _ALIASES_H	1
diff --git a/lib/libc/include/generic-glibc/alloca.h b/lib/libc/include/generic-glibc/alloca.h
index a1b60a3dbd7d926089531f72d2dc5cdf44009586..9e8a986743456e8d5c0d4be0bd009bea74649a3c 100644
--- a/lib/libc/include/generic-glibc/alloca.h
+++ b/lib/libc/include/generic-glibc/alloca.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_ALLOCA_H
 #define	_ALLOCA_H	1
diff --git a/lib/libc/include/generic-glibc/ar.h b/lib/libc/include/generic-glibc/ar.h
index d9aa7daad6f65b025f3335d64f5801c24b49f7b7..5accd0cf2d443737461c088c8c68c329fd71914e 100644
--- a/lib/libc/include/generic-glibc/ar.h
+++ b/lib/libc/include/generic-glibc/ar.h
@@ -1,5 +1,5 @@
 /* Header describing `ar' archive file format.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _AR_H
 #define _AR_H 1
diff --git a/lib/libc/include/generic-glibc/argp.h b/lib/libc/include/generic-glibc/argp.h
index ce61b300f45bf60de9723dbb01bb5875626c8e8d..0bb8d732f555a11a5310fa8acae7d371f8f305a3 100644
--- a/lib/libc/include/generic-glibc/argp.h
+++ b/lib/libc/include/generic-glibc/argp.h
@@ -1,5 +1,5 @@
 /* Hierarchial argument parsing, layered over getopt.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _ARGP_H
 #define _ARGP_H
diff --git a/lib/libc/include/generic-glibc/argz.h b/lib/libc/include/generic-glibc/argz.h
index c880c8bded9d042f2d853ef979ecb830c354de46..d7a265c2a57620c10268d71f9eefc74b33ad939c 100644
--- a/lib/libc/include/generic-glibc/argz.h
+++ b/lib/libc/include/generic-glibc/argz.h
@@ -1,5 +1,5 @@
 /* Routines for dealing with '\0' separated arg vectors.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _ARGZ_H
 #define _ARGZ_H	1
diff --git a/lib/libc/include/generic-glibc/arpa/inet.h b/lib/libc/include/generic-glibc/arpa/inet.h
index 580ec2e6687282d9e4eb50987b995365d2523e45..7b83e763cc20d30eb9bf87d0ae06f7cc6bb79e44 100644
--- a/lib/libc/include/generic-glibc/arpa/inet.h
+++ b/lib/libc/include/generic-glibc/arpa/inet.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _ARPA_INET_H
 #define	_ARPA_INET_H	1
diff --git a/lib/libc/include/generic-glibc/assert.h b/lib/libc/include/generic-glibc/assert.h
index 0a249c7d7cc00769f5af69fa0968c39db045538c..14aa2f9e21b95dfab43fad2e8a17cd0e9547debf 100644
--- a/lib/libc/include/generic-glibc/assert.h
+++ b/lib/libc/include/generic-glibc/assert.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.2 Diagnostics	<assert.h>
diff --git a/lib/libc/include/generic-glibc/bits/argp-ldbl.h b/lib/libc/include/generic-glibc/bits/argp-ldbl.h
index 2dc1602b625843febe87b3fd2bbab987e56e50f0..2cf222648fe748f6144da1ab2263e11b18a3dc4c 100644
--- a/lib/libc/include/generic-glibc/bits/argp-ldbl.h
+++ b/lib/libc/include/generic-glibc/bits/argp-ldbl.h
@@ -1,5 +1,5 @@
 /* Redirections for argp functions for -mlong-double-64.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _ARGP_H
 # error "Never include <bits/argp-ldbl.h> directly; use <argp.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/byteswap.h b/lib/libc/include/generic-glibc/bits/byteswap.h
index a4052e4506e8a4445117972952fe170227292a5b..2c854c625a394cab24aacabb21ea13eec1c93f47 100644
--- a/lib/libc/include/generic-glibc/bits/byteswap.h
+++ b/lib/libc/include/generic-glibc/bits/byteswap.h
@@ -1,5 +1,5 @@
 /* Macros and inline functions to swap the order of bytes in integer values.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _BYTESWAP_H && !defined _NETINET_IN_H && !defined _ENDIAN_H
 # error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/cmathcalls.h b/lib/libc/include/generic-glibc/bits/cmathcalls.h
index 2904cff060588d2ddda12d290143a66b1e1c63b5..ed604e0fda89769d48de1959c340ac56cebe239e 100644
--- a/lib/libc/include/generic-glibc/bits/cmathcalls.h
+++ b/lib/libc/include/generic-glibc/bits/cmathcalls.h
@@ -1,6 +1,6 @@
 /* Prototype declarations for complex math functions;
    helper file for <complex.h>.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* NOTE: Because of the special way this file is used by <complex.h>, this
    file must NOT be protected from multiple inclusion as header files
diff --git a/lib/libc/include/generic-glibc/bits/confname.h b/lib/libc/include/generic-glibc/bits/confname.h
index 620c912e25a3d548ebf6c0c854f73b91ad4a5a9c..710a92730fa4e0c2c5925728c2945db07879c152 100644
--- a/lib/libc/include/generic-glibc/bits/confname.h
+++ b/lib/libc/include/generic-glibc/bits/confname.h
@@ -1,5 +1,5 @@
 /* `sysconf', `pathconf', and `confstr' NAME values.  Generic version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UNISTD_H
 # error "Never use <bits/confname.h> directly; include <unistd.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/cpu-set.h b/lib/libc/include/generic-glibc/bits/cpu-set.h
index 155f9678272592752ff9493bf75aedddf5834b12..a8bd65bae151ee28b039b45bf34e9d6b959ec0dd 100644
--- a/lib/libc/include/generic-glibc/bits/cpu-set.h
+++ b/lib/libc/include/generic-glibc/bits/cpu-set.h
@@ -1,6 +1,6 @@
 /* Definition of the cpu_set_t structure used by the POSIX 1003.1b-1993
    scheduling interface.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_CPU_SET_H
 #define _BITS_CPU_SET_H 1
diff --git a/lib/libc/include/generic-glibc/bits/dirent.h b/lib/libc/include/generic-glibc/bits/dirent.h
index d35853ce22547ff42e1d83683fbfcc30082dfc65..a18b453fd3ba82ebe42b29d16ab7e0b8b8f71cff 100644
--- a/lib/libc/include/generic-glibc/bits/dirent.h
+++ b/lib/libc/include/generic-glibc/bits/dirent.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _DIRENT_H
 # error "Never use <bits/dirent.h> directly; include <dirent.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/dirent_ext.h b/lib/libc/include/generic-glibc/bits/dirent_ext.h
index fd2a6ebfde6eb109d24bd4c3e17d08321343bc46..f5c3fb34fd61cbc240b9597b24a62e9cc70bd146 100644
--- a/lib/libc/include/generic-glibc/bits/dirent_ext.h
+++ b/lib/libc/include/generic-glibc/bits/dirent_ext.h
@@ -1,5 +1,5 @@
 /* System-specific extensions of <dirent.h>.  Linux version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _DIRENT_H
 # error "Never include <bits/dirent_ext.h> directly; use <dirent.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/dlfcn.h b/lib/libc/include/generic-glibc/bits/dlfcn.h
index 8a4e679bf5aa7679dbd6e4119c0a2cec10255779..8339ace845a1cb89796b31f9577cbdadf4400134 100644
--- a/lib/libc/include/generic-glibc/bits/dlfcn.h
+++ b/lib/libc/include/generic-glibc/bits/dlfcn.h
@@ -1,5 +1,5 @@
 /* System dependent definitions for run-time dynamic loading.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _DLFCN_H
 # error "Never use <bits/dlfcn.h> directly; include <dlfcn.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/endian.h b/lib/libc/include/generic-glibc/bits/endian.h
index 44b05652f1847dff607b958540de85ce1a17cf58..dae5221e818a3afcfd165606dbc8f611fd09a865 100644
--- a/lib/libc/include/generic-glibc/bits/endian.h
+++ b/lib/libc/include/generic-glibc/bits/endian.h
@@ -1,15 +1,49 @@
-/* The MIPS architecture has selectable endianness.
-   It exists in both little and big endian flavours and we
-   want to be able to share the installed header files between
-   both, so we define __BYTE_ORDER based on GCC's predefines.  */
+/* Endian macros for string.h functions
+   Copyright (C) 1992-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_ENDIAN_H
+#define _BITS_ENDIAN_H 1
+
+/* Definitions for byte order, according to significance of bytes,
+   from low addresses to high addresses.  The value is what you get by
+   putting '4' in the most significant byte, '3' in the second most
+   significant byte, '2' in the second least significant byte, and '1'
+   in the least significant byte, and then writing down one digit for
+   each byte, starting with the byte at the lowest address at the left,
+   and proceeding to the byte with the highest address at the right.  */
+
+#define	__LITTLE_ENDIAN	1234
+#define	__BIG_ENDIAN	4321
+#define	__PDP_ENDIAN	3412
+
+/* This file defines `__BYTE_ORDER' for the particular machine.  */
+#include <bits/endianness.h>
+
+/* Some machines may need to use a different endianness for floating point
+   values.  */
+#ifndef __FLOAT_WORD_ORDER
+# define __FLOAT_WORD_ORDER __BYTE_ORDER
 #endif
 
-#ifdef __MIPSEB
-# define __BYTE_ORDER __BIG_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __LONG_LONG_PAIR(HI, LO) LO, HI
+#elif __BYTE_ORDER == __BIG_ENDIAN
+# define __LONG_LONG_PAIR(HI, LO) HI, LO
 #endif
-#ifdef __MIPSEL
-# define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
\ No newline at end of file
+
+#endif /* bits/endian.h */
\ No newline at end of file
diff --git a/lib/libc/include/generic-glibc/bits/endianness.h b/lib/libc/include/generic-glibc/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..5a0a8714609ef4b41180e8fffcf3265c2851b871
--- /dev/null
+++ b/lib/libc/include/generic-glibc/bits/endianness.h
@@ -0,0 +1,16 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* MIPS has selectable endianness.  */
+#ifdef __MIPSEB
+# define __BYTE_ORDER __BIG_ENDIAN
+#endif
+#ifdef __MIPSEL
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/generic-glibc/bits/environments.h b/lib/libc/include/generic-glibc/bits/environments.h
index 28a2f5f22002d20b8bbc3c3579e9718444bc751e..1b5e74a08e829c5bad755ec5e06bdeb901e8b78e 100644
--- a/lib/libc/include/generic-glibc/bits/environments.h
+++ b/lib/libc/include/generic-glibc/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UNISTD_H
 # error "Never include this file directly.  Use <unistd.h> instead"
diff --git a/lib/libc/include/generic-glibc/bits/epoll.h b/lib/libc/include/generic-glibc/bits/epoll.h
index d20c2e4c0ff54ad39ba67300ea3e011edabb5a20..6d92d7ce11be9a6d965130943294a4bca35d03e3 100644
--- a/lib/libc/include/generic-glibc/bits/epoll.h
+++ b/lib/libc/include/generic-glibc/bits/epoll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EPOLL_H
 # error "Never use <bits/epoll.h> directly; include <sys/epoll.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/err-ldbl.h b/lib/libc/include/generic-glibc/bits/err-ldbl.h
index 3f962597a3f20d1d33cfcd22ce4e4549b5c4de1c..7c928e438b8f1fc001d4fa709b00adf7887684a4 100644
--- a/lib/libc/include/generic-glibc/bits/err-ldbl.h
+++ b/lib/libc/include/generic-glibc/bits/err-ldbl.h
@@ -1,5 +1,5 @@
 /* Redirections for err.h functions for -mlong-double-64.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _ERR_H
 # error "Never include <bits/err-ldbl.h> directly; use <err.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/errno.h b/lib/libc/include/generic-glibc/bits/errno.h
index 301cd0e35e0ddd7e788af191ca7738d3f97c813f..1bee63136a9d64cf99537998cfb6f4f6bf0dfffa 100644
--- a/lib/libc/include/generic-glibc/bits/errno.h
+++ b/lib/libc/include/generic-glibc/bits/errno.h
@@ -1,5 +1,5 @@
 /* Error constants.  Linux specific version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_ERRNO_H
 #define _BITS_ERRNO_H 1
diff --git a/lib/libc/include/generic-glibc/bits/error-ldbl.h b/lib/libc/include/generic-glibc/bits/error-ldbl.h
index 601c708686267bb92e621978d3feec885c039272..9962b3226e44de92553ce9c33723a594074b68fc 100644
--- a/lib/libc/include/generic-glibc/bits/error-ldbl.h
+++ b/lib/libc/include/generic-glibc/bits/error-ldbl.h
@@ -1,5 +1,5 @@
 /* Redirections for error.h functions for -mlong-double-64.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _ERROR_H
 # error "Never include <bits/error-ldbl.h> directly; use <error.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/error.h b/lib/libc/include/generic-glibc/bits/error.h
index cf3ef0b0de59768c1ff9eab150a5c4c8767eb4ef..3189e24da827477cc697d1be6202dfb5642cb6c2 100644
--- a/lib/libc/include/generic-glibc/bits/error.h
+++ b/lib/libc/include/generic-glibc/bits/error.h
@@ -1,5 +1,5 @@
 /* Specializations for error functions.
-   Copyright (C) 2007-2019 Free Software Foundation, Inc.
+   Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_ERROR_H
 # error "Never include <bits/error.h> directly; use <error.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/eventfd.h b/lib/libc/include/generic-glibc/bits/eventfd.h
index 9922a3d99d048e5589a2a22f281d081ed795cd66..0fb055c37c1af01957939a8c8a31aad67568cc5b 100644
--- a/lib/libc/include/generic-glibc/bits/eventfd.h
+++ b/lib/libc/include/generic-glibc/bits/eventfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EVENTFD_H
 # error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/fcntl-linux.h b/lib/libc/include/generic-glibc/bits/fcntl-linux.h
index 869be9f8abfcddd94090055d682115d4f0273e3d..4e3813d8c4effa52c6814fc9693b412c345b96e0 100644
--- a/lib/libc/include/generic-glibc/bits/fcntl-linux.h
+++ b/lib/libc/include/generic-glibc/bits/fcntl-linux.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never use <bits/fcntl-linux.h> directly; include <fcntl.h> instead."
@@ -334,6 +334,11 @@ struct f_owner_ex
 # define SYNC_FILE_RANGE_WAIT_AFTER	4 /* Wait upon writeout of all pages in
 					     the range after performing the
 					     write.  */
+/* SYNC_FILE_RANGE_WRITE_AND_WAIT ensures all pages in the range are
+   written to disk before returning.  */
+# define SYNC_FILE_RANGE_WRITE_AND_WAIT	(SYNC_FILE_RANGE_WRITE		\
+					 | SYNC_FILE_RANGE_WAIT_BEFORE	\
+					 | SYNC_FILE_RANGE_WAIT_AFTER)
 
 /* Flags for SPLICE and VMSPLICE.  */
 # define SPLICE_F_MOVE		1	/* Move pages instead of copying.  */
diff --git a/lib/libc/include/generic-glibc/bits/fcntl.h b/lib/libc/include/generic-glibc/bits/fcntl.h
index 9a0318a81a258d657f32f1d63e3ba2eed1047566..b9fa29e2003184b783febc182c05049dc589d29c 100644
--- a/lib/libc/include/generic-glibc/bits/fcntl.h
+++ b/lib/libc/include/generic-glibc/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/fcntl2.h b/lib/libc/include/generic-glibc/bits/fcntl2.h
index a152158a74634f5a72e70b262af31e66f4175e88..800012c354f61433a301d0a8292be6171a8c13e6 100644
--- a/lib/libc/include/generic-glibc/bits/fcntl2.h
+++ b/lib/libc/include/generic-glibc/bits/fcntl2.h
@@ -1,5 +1,5 @@
 /* Checking macros for fcntl functions.
-   Copyright (C) 2007-2019 Free Software Foundation, Inc.
+   Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never include <bits/fcntl2.h> directly; use <fcntl.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/fenv.h b/lib/libc/include/generic-glibc/bits/fenv.h
index ea132417bf155f995d1e8e1376bd1828f4af58c9..cdf79211de7609080841db89e29d0600ed6fceab 100644
--- a/lib/libc/include/generic-glibc/bits/fenv.h
+++ b/lib/libc/include/generic-glibc/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -104,7 +104,7 @@ fenv_t;
 # define FE_NOMASK_ENV  ((const fenv_t *) -2)
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef unsigned int femode_t;
 
diff --git a/lib/libc/include/generic-glibc/bits/floatn-common.h b/lib/libc/include/generic-glibc/bits/floatn-common.h
index 9ad81abbfb06d472d29bc6285afa15d8c4bc2f2d..9cccf4506417cb6521f1e935613a9e990ca6ae41 100644
--- a/lib/libc/include/generic-glibc/bits/floatn-common.h
+++ b/lib/libc/include/generic-glibc/bits/floatn-common.h
@@ -1,6 +1,6 @@
 /* Macros to control TS 18661-3 glibc features where the same
    definitions are appropriate for all platforms.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_COMMON_H
 #define _BITS_FLOATN_COMMON_H
diff --git a/lib/libc/include/generic-glibc/bits/floatn.h b/lib/libc/include/generic-glibc/bits/floatn.h
index 10e11d25734475cc23aa78f1bf323b5503170f4f..68a17ab2c747e085abf20039b187e2b643aa4b50 100644
--- a/lib/libc/include/generic-glibc/bits/floatn.h
+++ b/lib/libc/include/generic-glibc/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features on MIPS platforms.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_H
 #define _BITS_FLOATN_H
diff --git a/lib/libc/include/generic-glibc/bits/flt-eval-method.h b/lib/libc/include/generic-glibc/bits/flt-eval-method.h
index 62def2881dd5f966fe17e24f1508ac334db591bf..11297d9c1777695109605c09aac3170bf7be966d 100644
--- a/lib/libc/include/generic-glibc/bits/flt-eval-method.h
+++ b/lib/libc/include/generic-glibc/bits/flt-eval-method.h
@@ -1,5 +1,5 @@
 /* Define __GLIBC_FLT_EVAL_METHOD.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/flt-eval-method.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/fp-fast.h b/lib/libc/include/generic-glibc/bits/fp-fast.h
index 6d7cddf1d2672995d02bdf974bd46d8cd3f82f9b..5fceb7e29a397c1388d1b8fc25a7a7d77e6e810c 100644
--- a/lib/libc/include/generic-glibc/bits/fp-fast.h
+++ b/lib/libc/include/generic-glibc/bits/fp-fast.h
@@ -1,5 +1,5 @@
 /* Define FP_FAST_* macros.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/fp-fast.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/fp-logb.h b/lib/libc/include/generic-glibc/bits/fp-logb.h
index ffbdcb2edc167bf100411c88cc995f9904d609e8..efc488bc277fc4f719dcbaaa051b999883b50c0b 100644
--- a/lib/libc/include/generic-glibc/bits/fp-logb.h
+++ b/lib/libc/include/generic-glibc/bits/fp-logb.h
@@ -1,5 +1,5 @@
 /* Define __FP_LOGB0_IS_MIN and __FP_LOGBNAN_IS_MIN.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/fp-logb.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/getopt_core.h b/lib/libc/include/generic-glibc/bits/getopt_core.h
index 5973daf49b6d73c386e1420ff260cb953c9f652a..c509e0e328a5d1bd11778b18b3ac062f114e9e67 100644
--- a/lib/libc/include/generic-glibc/bits/getopt_core.h
+++ b/lib/libc/include/generic-glibc/bits/getopt_core.h
@@ -1,5 +1,5 @@
 /* Declarations for getopt (basic, portable features only).
-   Copyright (C) 1989-2019 Free Software Foundation, Inc.
+   Copyright (C) 1989-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library and is also part of gnulib.
    Patches to this file should be submitted to both projects.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _GETOPT_CORE_H
 #define _GETOPT_CORE_H 1
diff --git a/lib/libc/include/generic-glibc/bits/getopt_ext.h b/lib/libc/include/generic-glibc/bits/getopt_ext.h
index 648b6004bcf1ac68d1cc634f79190149ff74bed5..7d6a578db9e37b09f7c9bc73a0a6c666628613b8 100644
--- a/lib/libc/include/generic-glibc/bits/getopt_ext.h
+++ b/lib/libc/include/generic-glibc/bits/getopt_ext.h
@@ -1,5 +1,5 @@
 /* Declarations for getopt (GNU extensions).
-   Copyright (C) 1989-2019 Free Software Foundation, Inc.
+   Copyright (C) 1989-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library and is also part of gnulib.
    Patches to this file should be submitted to both projects.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _GETOPT_EXT_H
 #define _GETOPT_EXT_H 1
diff --git a/lib/libc/include/generic-glibc/bits/getopt_posix.h b/lib/libc/include/generic-glibc/bits/getopt_posix.h
index 197a48e4fd0091594018cd3c9b3d2a9aa270ab11..322dc96dafedae0420b0dfed1baef3954033eec9 100644
--- a/lib/libc/include/generic-glibc/bits/getopt_posix.h
+++ b/lib/libc/include/generic-glibc/bits/getopt_posix.h
@@ -1,5 +1,5 @@
 /* Declarations for getopt (POSIX compatibility shim).
-   Copyright (C) 1989-2019 Free Software Foundation, Inc.
+   Copyright (C) 1989-2020 Free Software Foundation, Inc.
    Unlike the bulk of the getopt implementation, this file is NOT part
    of gnulib.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _GETOPT_POSIX_H
 #define _GETOPT_POSIX_H 1
diff --git a/lib/libc/include/generic-glibc/bits/hwcap.h b/lib/libc/include/generic-glibc/bits/hwcap.h
index 8be095a364cc256254c22a57cab820d965a3c606..0d01bf6514d7f61e3c1de5f2e725de33200d7d18 100644
--- a/lib/libc/include/generic-glibc/bits/hwcap.h
+++ b/lib/libc/include/generic-glibc/bits/hwcap.h
@@ -1,5 +1,5 @@
 /* Defines for bits in AT_HWCAP.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_AUXV_H
 # error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/in.h b/lib/libc/include/generic-glibc/bits/in.h
index 08757c8eab9aeec53fb892ef87ba5d08991e5a62..654c5adabef02ba653f85318062ef4ade4d8b3a0 100644
--- a/lib/libc/include/generic-glibc/bits/in.h
+++ b/lib/libc/include/generic-glibc/bits/in.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Linux version.  */
 
diff --git a/lib/libc/include/generic-glibc/bits/indirect-return.h b/lib/libc/include/generic-glibc/bits/indirect-return.h
index 5557372427acd262dfe908cd76c7112d0894070a..5a7beddda901962b2be8ed7032087ec0607227c2 100644
--- a/lib/libc/include/generic-glibc/bits/indirect-return.h
+++ b/lib/libc/include/generic-glibc/bits/indirect-return.h
@@ -1,5 +1,5 @@
 /* Definition of __INDIRECT_RETURN.  Generic version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UCONTEXT_H
 # error "Never include <bits/indirect-return.h> directly; use <ucontext.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/inotify.h b/lib/libc/include/generic-glibc/bits/inotify.h
index 76cd4362518a066814a54c378b4dd9620371b89f..e019e25212ceec62e4ae285025ac1389d93e6eb7 100644
--- a/lib/libc/include/generic-glibc/bits/inotify.h
+++ b/lib/libc/include/generic-glibc/bits/inotify.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_INOTIFY_H
 # error "Never use <bits/inotify.h> directly; include <sys/inotify.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/ioctl-types.h b/lib/libc/include/generic-glibc/bits/ioctl-types.h
index 4ac9ac39ed3e4534b3275f91a00246fe47f6ade5..876311a6ce64b85612d7a6efa96d278c4b749362 100644
--- a/lib/libc/include/generic-glibc/bits/ioctl-types.h
+++ b/lib/libc/include/generic-glibc/bits/ioctl-types.h
@@ -1,5 +1,5 @@
 /* Structure types for pre-termios terminal ioctls.  Linux version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/ioctls.h b/lib/libc/include/generic-glibc/bits/ioctls.h
index 31b6ea79396727e92f5ac4426a138e8028d39c31..790e50b7fa528616f4ce44a6235f269758b04664 100644
--- a/lib/libc/include/generic-glibc/bits/ioctls.h
+++ b/lib/libc/include/generic-glibc/bits/ioctls.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctls.h> directly; include <sys/ioctl.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/ipc-perm.h b/lib/libc/include/generic-glibc/bits/ipc-perm.h
new file mode 100644
index 0000000000000000000000000000000000000000..295a0ea3cf6d69e20ec154c1fcf9777af58ec1bb
--- /dev/null
+++ b/lib/libc/include/generic-glibc/bits/ipc-perm.h
@@ -0,0 +1,40 @@
+/* struct ipc_perm definition.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_IPC_H
+# error "Never use <bits/ipc-perm.h> directly; include <sys/ipc.h> instead."
+#endif
+
+/* Data structure used to pass permission information to IPC operations.
+   It follows the kernel ipc64_perm size so the syscall can be made directly
+   without temporary buffer copy.  However, since glibc defines the MODE
+   field as mode_t per POSIX definition (BZ#18231), it omits the __PAD1 field
+   (since glibc does not export mode_t as 16-bit for any architecture).  */
+struct ipc_perm
+{
+  __key_t __key;				/* Key.  */
+  __uid_t uid;					/* Owner's user ID.  */
+  __gid_t gid;					/* Owner's group ID.  */
+  __uid_t cuid;					/* Creator's user ID.  */
+  __gid_t cgid;					/* Creator's group ID.  */
+  __mode_t mode;				/* Read/write permission.  */
+  unsigned short int __seq;			/* Sequence number.  */
+  unsigned short int __pad2;
+  __syscall_ulong_t __glibc_reserved1;
+  __syscall_ulong_t __glibc_reserved2;
+};
\ No newline at end of file
diff --git a/lib/libc/include/generic-glibc/bits/ipc.h b/lib/libc/include/generic-glibc/bits/ipc.h
index e133bcfa703b4c4c9e062aaf1d7aa32fdf788829..714f766b2991aff8ef111d3188afdce94ef1f89e 100644
--- a/lib/libc/include/generic-glibc/bits/ipc.h
+++ b/lib/libc/include/generic-glibc/bits/ipc.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IPC_H
 # error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
@@ -37,19 +37,4 @@
 /* Special key values.  */
 #define IPC_PRIVATE	((__key_t) 0)	/* Private key.  */
 
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;			/* Key.  */
-    __uid_t uid;			/* Owner's user ID.  */
-    __gid_t gid;			/* Owner's group ID.  */
-    __uid_t cuid;			/* Creator's user ID.  */
-    __gid_t cgid;			/* Creator's group ID.  */
-    unsigned short int mode;		/* Read/write permission.  */
-    unsigned short int __pad1;
-    unsigned short int __seq;		/* Sequence number.  */
-    unsigned short int __pad2;
-    __syscall_ulong_t __glibc_reserved1;
-    __syscall_ulong_t __glibc_reserved2;
-  };
\ No newline at end of file
+#include <bits/ipc-perm.h>
\ No newline at end of file
diff --git a/lib/libc/include/generic-glibc/bits/ipctypes.h b/lib/libc/include/generic-glibc/bits/ipctypes.h
index 1b09d14f83f69cf74626bf8357f9493c31c46d8c..2fce70dab013e4ff33351eeda36f040eb4b50467 100644
--- a/lib/libc/include/generic-glibc/bits/ipctypes.h
+++ b/lib/libc/include/generic-glibc/bits/ipctypes.h
@@ -1,5 +1,5 @@
 /* bits/ipctypes.h -- Define some types used by SysV IPC/MSG/SHM.  Generic.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Never include <bits/ipctypes.h> directly.
diff --git a/lib/libc/include/generic-glibc/bits/iscanonical.h b/lib/libc/include/generic-glibc/bits/iscanonical.h
index 3e736285884fa26a961812a9eb6fd1b155a2b092..446a24d01b526748afeb9bde57794045f6fa1697 100644
--- a/lib/libc/include/generic-glibc/bits/iscanonical.h
+++ b/lib/libc/include/generic-glibc/bits/iscanonical.h
@@ -1,5 +1,5 @@
 /* Define iscanonical macro.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/iscanonical.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/libc-header-start.h b/lib/libc/include/generic-glibc/bits/libc-header-start.h
index 5b216b35c28363961b9888ceed0b2f8302ec21fc..ddc705f0f28a8f1aeb2aae7caaa83ceacaf1f900 100644
--- a/lib/libc/include/generic-glibc/bits/libc-header-start.h
+++ b/lib/libc/include/generic-glibc/bits/libc-header-start.h
@@ -1,5 +1,5 @@
 /* Handle feature test macros at the start of a header.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This header is internal to glibc and should not be included outside
    of glibc headers.  Headers including it must define
@@ -43,22 +43,38 @@
 #endif
 
 /* ISO/IEC TS 18661-1:2014 defines the __STDC_WANT_IEC_60559_BFP_EXT__
-   macro.  */
+   macro.  Most but not all symbols enabled by that macro in TS
+   18661-1 are enabled unconditionally in C2X; the symbols in Annex F
+   still require that macro in C2X.  */
 #undef __GLIBC_USE_IEC_60559_BFP_EXT
 #if defined __USE_GNU || defined __STDC_WANT_IEC_60559_BFP_EXT__
 # define __GLIBC_USE_IEC_60559_BFP_EXT 1
 #else
 # define __GLIBC_USE_IEC_60559_BFP_EXT 0
 #endif
+#undef __GLIBC_USE_IEC_60559_BFP_EXT_C2X
+#if __GLIBC_USE (IEC_60559_BFP_EXT) || __GLIBC_USE (ISOC2X)
+# define __GLIBC_USE_IEC_60559_BFP_EXT_C2X 1
+#else
+# define __GLIBC_USE_IEC_60559_BFP_EXT_C2X 0
+#endif
 
 /* ISO/IEC TS 18661-4:2015 defines the
-   __STDC_WANT_IEC_60559_FUNCS_EXT__ macro.  */
+   __STDC_WANT_IEC_60559_FUNCS_EXT__ macro.  Other than the reduction
+   functions, the symbols from this TS are enabled unconditionally in
+   C2X.  */
 #undef __GLIBC_USE_IEC_60559_FUNCS_EXT
 #if defined __USE_GNU || defined __STDC_WANT_IEC_60559_FUNCS_EXT__
 # define __GLIBC_USE_IEC_60559_FUNCS_EXT 1
 #else
 # define __GLIBC_USE_IEC_60559_FUNCS_EXT 0
 #endif
+#undef __GLIBC_USE_IEC_60559_FUNCS_EXT_C2X
+#if __GLIBC_USE (IEC_60559_FUNCS_EXT) || __GLIBC_USE (ISOC2X)
+# define __GLIBC_USE_IEC_60559_FUNCS_EXT_C2X 1
+#else
+# define __GLIBC_USE_IEC_60559_FUNCS_EXT_C2X 0
+#endif
 
 /* ISO/IEC TS 18661-3:2015 defines the
    __STDC_WANT_IEC_60559_TYPES_EXT__ macro.  */
diff --git a/lib/libc/include/generic-glibc/bits/libm-simd-decl-stubs.h b/lib/libc/include/generic-glibc/bits/libm-simd-decl-stubs.h
index 8fef08aaa432a338ac46bd7a0207c55d9c97dabe..f49d3ddb62e6d2f61040ab6ec8ea1eaa384d223e 100644
--- a/lib/libc/include/generic-glibc/bits/libm-simd-decl-stubs.h
+++ b/lib/libc/include/generic-glibc/bits/libm-simd-decl-stubs.h
@@ -1,5 +1,5 @@
 /* Empty definitions required for __MATHCALL_VEC unfolding in mathcalls.h.
-   Copyright (C) 2014-2019 Free Software Foundation, Inc.
+   Copyright (C) 2014-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never include <bits/libm-simd-decl-stubs.h> directly;\
diff --git a/lib/libc/include/generic-glibc/bits/link.h b/lib/libc/include/generic-glibc/bits/link.h
index a497f46212580a58560936f25bbd2ec0106963b1..9fc3255bf9dfc4bb793c8338e1fb5faa5b780703 100644
--- a/lib/libc/include/generic-glibc/bits/link.h
+++ b/lib/libc/include/generic-glibc/bits/link.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/local_lim.h b/lib/libc/include/generic-glibc/bits/local_lim.h
index 7e7c583b724babb30564a2caebe23d50feda3173..c29492034ce97e0c4254132ae4f6686252b9f122 100644
--- a/lib/libc/include/generic-glibc/bits/local_lim.h
+++ b/lib/libc/include/generic-glibc/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  Linux version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
+   not, see <https://www.gnu.org/licenses/>.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
diff --git a/lib/libc/include/generic-glibc/bits/locale.h b/lib/libc/include/generic-glibc/bits/locale.h
index 0e95b24b4fb2bb39e7d9942270a451c187866771..e2b34ee8887a90d550afcc306663fe795a72292e 100644
--- a/lib/libc/include/generic-glibc/bits/locale.h
+++ b/lib/libc/include/generic-glibc/bits/locale.h
@@ -1,5 +1,5 @@
 /* Definition of locale category symbol values.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _LOCALE_H && !defined _LANGINFO_H
 # error "Never use <bits/locale.h> directly; include <locale.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/long-double.h b/lib/libc/include/generic-glibc/bits/long-double.h
index 25f7f7637af3c9bf8f2effe389463541dd63f2cb..27339ff440efc2e093282a4491d3ebd373edd6f1 100644
--- a/lib/libc/include/generic-glibc/bits/long-double.h
+++ b/lib/libc/include/generic-glibc/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.  MIPS version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,10 +14,11 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sgidefs.h>
 
 #if !defined __NO_LONG_DOUBLE_MATH && _MIPS_SIM == _ABIO32
 # define __NO_LONG_DOUBLE_MATH	1
-#endif
\ No newline at end of file
+#endif
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/generic-glibc/bits/math-finite.h b/lib/libc/include/generic-glibc/bits/math-finite.h
deleted file mode 100644
index 1e13b849f83c25ad5bd76f4cc06b868071869238..0000000000000000000000000000000000000000
--- a/lib/libc/include/generic-glibc/bits/math-finite.h
+++ /dev/null
@@ -1,197 +0,0 @@
-/* Entry points to finite-math-only compiler runs.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _MATH_H
-# error "Never use <bits/math-finite.h> directly; include <math.h> instead."
-#endif
-
-#define __REDIRFROM(...) __REDIRFROM_X(__VA_ARGS__)
-
-#define __REDIRTO(...) __REDIRTO_X(__VA_ARGS__)
-
-#define __MATH_REDIRCALL_X(from, args, to) \
-  extern _Mdouble_ __REDIRECT_NTH (from, args, to)
-#define __MATH_REDIRCALL(function, reentrant, args) \
-  __MATH_REDIRCALL_X \
-   (__REDIRFROM (function, reentrant), args, \
-    __REDIRTO (function, reentrant))
-#define __MATH_REDIRCALL_2(from, reentrant, args, to) \
-  __MATH_REDIRCALL_X \
-   (__REDIRFROM (from, reentrant), args, \
-    __REDIRTO (to, reentrant))
-
-#define __MATH_REDIRCALL_INTERNAL(function, reentrant, args) \
-  __MATH_REDIRCALL_X \
-   (__REDIRFROM (__CONCAT (__, function), \
-		 __CONCAT (reentrant, _finite)), \
-    args, __REDIRTO (function, _r))
-
-
-/* acos.  */
-__MATH_REDIRCALL (acos, , (_Mdouble_));
-
-#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
-/* acosh.  */
-__MATH_REDIRCALL (acosh, , (_Mdouble_));
-#endif
-
-/* asin.  */
-__MATH_REDIRCALL (asin, , (_Mdouble_));
-
-/* atan2.  */
-__MATH_REDIRCALL (atan2, , (_Mdouble_, _Mdouble_));
-
-#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
-/* atanh.  */
-__MATH_REDIRCALL (atanh, , (_Mdouble_));
-#endif
-
-/* cosh.  */
-__MATH_REDIRCALL (cosh, , (_Mdouble_));
-
-/* exp.  */
-__MATH_REDIRCALL (exp, , (_Mdouble_));
-
-#if __GLIBC_USE (IEC_60559_FUNCS_EXT)
-/* exp10.  */
-__MATH_REDIRCALL (exp10, , (_Mdouble_));
-#endif
-
-#ifdef __USE_ISOC99
-/* exp2.  */
-__MATH_REDIRCALL (exp2, , (_Mdouble_));
-#endif
-
-/* fmod.  */
-__MATH_REDIRCALL (fmod, , (_Mdouble_, _Mdouble_));
-
-#if defined __USE_XOPEN || defined __USE_ISOC99
-/* hypot.  */
-__MATH_REDIRCALL (hypot, , (_Mdouble_, _Mdouble_));
-#endif
-
-#if (__MATH_DECLARING_DOUBLE && (defined __USE_MISC || defined __USE_XOPEN)) \
-    || (!__MATH_DECLARING_DOUBLE && defined __USE_MISC)
-/* j0.  */
-__MATH_REDIRCALL (j0, , (_Mdouble_));
-
-/* y0.  */
-__MATH_REDIRCALL (y0, , (_Mdouble_));
-
-/* j1.  */
-__MATH_REDIRCALL (j1, , (_Mdouble_));
-
-/* y1.  */
-__MATH_REDIRCALL (y1, , (_Mdouble_));
-
-/* jn.  */
-__MATH_REDIRCALL (jn, , (int, _Mdouble_));
-
-/* yn.  */
-__MATH_REDIRCALL (yn, , (int, _Mdouble_));
-#endif
-
-#ifdef __USE_MISC
-/* lgamma_r.  */
-__MATH_REDIRCALL (lgamma, _r, (_Mdouble_, int *));
-#endif
-
-/* Redirect __lgammal_r_finite to __lgamma_r_finite when __NO_LONG_DOUBLE_MATH
-   is set and to itself otherwise.  It also redirects __lgamma_r_finite and
-   __lgammaf_r_finite to themselves.  */
-__MATH_REDIRCALL_INTERNAL (lgamma, _r, (_Mdouble_, int *));
-
-#if ((defined __USE_XOPEN || defined __USE_ISOC99) \
-     && defined __extern_always_inline)
-/* lgamma.  */
-__extern_always_inline _Mdouble_
-__NTH (__REDIRFROM (lgamma, ) (_Mdouble_ __d))
-{
-# if defined __USE_MISC || defined __USE_XOPEN
-  return __REDIRTO (lgamma, _r) (__d, &signgam);
-# else
-  int __local_signgam = 0;
-  return __REDIRTO (lgamma, _r) (__d, &__local_signgam);
-# endif
-}
-#endif
-
-#if ((defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_XOPEN2K)) \
-     && defined __extern_always_inline) && !__MATH_DECLARING_FLOATN
-/* gamma.  */
-__extern_always_inline _Mdouble_
-__NTH (__REDIRFROM (gamma, ) (_Mdouble_ __d))
-{
-  return __REDIRTO (lgamma, _r) (__d, &signgam);
-}
-#endif
-
-/* log.  */
-__MATH_REDIRCALL (log, , (_Mdouble_));
-
-/* log10.  */
-__MATH_REDIRCALL (log10, , (_Mdouble_));
-
-#ifdef __USE_ISOC99
-/* log2.  */
-__MATH_REDIRCALL (log2, , (_Mdouble_));
-#endif
-
-/* pow.  */
-__MATH_REDIRCALL (pow, , (_Mdouble_, _Mdouble_));
-
-#if defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
-/* remainder.  */
-__MATH_REDIRCALL (remainder, , (_Mdouble_, _Mdouble_));
-#endif
-
-#if ((__MATH_DECLARING_DOUBLE \
-      && (defined __USE_MISC \
-	  || (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K8))) \
-     || (!defined __MATH_DECLARE_LDOUBLE && defined __USE_MISC)) \
-    && !__MATH_DECLARING_FLOATN
-/* scalb.  */
-__MATH_REDIRCALL (scalb, , (_Mdouble_, _Mdouble_));
-#endif
-
-/* sinh.  */
-__MATH_REDIRCALL (sinh, , (_Mdouble_));
-
-/* sqrt.  */
-__MATH_REDIRCALL (sqrt, , (_Mdouble_));
-
-#if defined __USE_ISOC99 && defined __extern_always_inline
-/* tgamma.  */
-extern _Mdouble_
-__REDIRFROM (__gamma, _r_finite) (_Mdouble_, int *);
-
-__extern_always_inline _Mdouble_
-__NTH (__REDIRFROM (tgamma, ) (_Mdouble_ __d))
-{
-  int __local_signgam = 0;
-  _Mdouble_ __res = __REDIRTO (gamma, _r) (__d, &__local_signgam);
-  return __local_signgam < 0 ? -__res : __res;
-}
-#endif
-
-#undef __REDIRFROM
-#undef __REDIRTO
-#undef __MATH_REDIRCALL
-#undef __MATH_REDIRCALL_2
-#undef __MATH_REDIRCALL_INTERNAL
-#undef __MATH_REDIRCALL_X
\ No newline at end of file
diff --git a/lib/libc/include/generic-glibc/bits/math-vector.h b/lib/libc/include/generic-glibc/bits/math-vector.h
index ac56919a5364f8a4d0f5777d3d9c7d0c7d833ede..da37ee7bff810d4ee02ea841727b8b29d1495b6f 100644
--- a/lib/libc/include/generic-glibc/bits/math-vector.h
+++ b/lib/libc/include/generic-glibc/bits/math-vector.h
@@ -1,5 +1,5 @@
 /* Platform-specific SIMD declarations of math functions.
-   Copyright (C) 2014-2019 Free Software Foundation, Inc.
+   Copyright (C) 2014-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never include <bits/math-vector.h> directly;\
diff --git a/lib/libc/include/generic-glibc/bits/mathcalls-helper-functions.h b/lib/libc/include/generic-glibc/bits/mathcalls-helper-functions.h
index 0f1b06ca57d4a8471d79836cba1944ff63931da9..88ced5d2e1f6e1cc29ff7a47e462580a6d580df6 100644
--- a/lib/libc/include/generic-glibc/bits/mathcalls-helper-functions.h
+++ b/lib/libc/include/generic-glibc/bits/mathcalls-helper-functions.h
@@ -1,5 +1,5 @@
 /* Prototype declarations for math classification macros helpers.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 
 /* Classify given number.  */
diff --git a/lib/libc/include/generic-glibc/bits/mathcalls-narrow.h b/lib/libc/include/generic-glibc/bits/mathcalls-narrow.h
index eb78fad4b5793184f6ce6d6e279b875899331c7b..6943772db8596c0c34a2bef765ad066569968de9 100644
--- a/lib/libc/include/generic-glibc/bits/mathcalls-narrow.h
+++ b/lib/libc/include/generic-glibc/bits/mathcalls-narrow.h
@@ -1,5 +1,5 @@
 /* Declare functions returning a narrower type.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never include <bits/mathcalls-narrow.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/mathcalls.h b/lib/libc/include/generic-glibc/bits/mathcalls.h
index 82e98a1ba07be7bcd1a51f77cb4ef739ca64d60e..e6b009ff2780c018b9531e69ea482067f25096d7 100644
--- a/lib/libc/include/generic-glibc/bits/mathcalls.h
+++ b/lib/libc/include/generic-glibc/bits/mathcalls.h
@@ -1,5 +1,5 @@
 /* Prototype declarations for math functions; helper file for <math.h>.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* NOTE: Because of the special way this file is used by <math.h>, this
    file must NOT be protected from multiple inclusion as header files
@@ -109,7 +109,7 @@ __MATHCALL (log10,, (_Mdouble_ __x));
 /* Break VALUE into integral and fractional parts.  */
 __MATHCALL (modf,, (_Mdouble_ __x, _Mdouble_ *__iptr)) __nonnull ((2));
 
-#if __GLIBC_USE (IEC_60559_FUNCS_EXT)
+#if __GLIBC_USE (IEC_60559_FUNCS_EXT_C2X)
 /* Compute exponent to base ten.  */
 __MATHCALL (exp10,, (_Mdouble_ __x));
 #endif
@@ -261,7 +261,7 @@ __MATHCALL (nextafter,, (_Mdouble_ __x, _Mdouble_ __y));
 __MATHCALL (nexttoward,, (_Mdouble_ __x, long double __y));
 # endif
 
-# if __GLIBC_USE (IEC_60559_BFP_EXT) || __MATH_DECLARING_FLOATN
+# if __GLIBC_USE (IEC_60559_BFP_EXT_C2X) || __MATH_DECLARING_FLOATN
 /* Return X - epsilon.  */
 __MATHCALL (nextdown,, (_Mdouble_ __x));
 /* Return X + epsilon.  */
@@ -280,7 +280,7 @@ __MATHCALL (scalbn,, (_Mdouble_ __x, int __n));
 __MATHDECL (int,ilogb,, (_Mdouble_ __x));
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT) || __MATH_DECLARING_FLOATN
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X) || __MATH_DECLARING_FLOATN
 /* Like ilogb, but returning long int.  */
 __MATHDECL (long int, llogb,, (_Mdouble_ __x));
 #endif
@@ -335,7 +335,7 @@ __MATHCALLX (fmin,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
 __MATHCALL (fma,, (_Mdouble_ __x, _Mdouble_ __y, _Mdouble_ __z));
 #endif /* Use ISO C99.  */
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT) || __MATH_DECLARING_FLOATN
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X) || __MATH_DECLARING_FLOATN
 /* Round X to nearest integer value, rounding halfway cases to even.  */
 __MATHCALLX (roundeven,, (_Mdouble_ __x), (__const__));
 
@@ -367,16 +367,20 @@ __MATHCALLX (fmaxmag,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
 /* Return value with minimum magnitude.  */
 __MATHCALLX (fminmag,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
 
-/* Total order operation.  */
-__MATHDECL_1 (int, totalorder,, (_Mdouble_ __x, _Mdouble_ __y))
-     __attribute__ ((__const__));
-
-/* Total order operation on absolute values.  */
-__MATHDECL_1 (int, totalordermag,, (_Mdouble_ __x, _Mdouble_ __y))
-     __attribute__ ((__const__));
-
 /* Canonicalize floating-point representation.  */
 __MATHDECL_1 (int, canonicalize,, (_Mdouble_ *__cx, const _Mdouble_ *__x));
+#endif
+
+#if __GLIBC_USE (IEC_60559_BFP_EXT) || __MATH_DECLARING_FLOATN
+/* Total order operation.  */
+__MATHDECL_1 (int, totalorder,, (const _Mdouble_ *__x,
+				 const _Mdouble_ *__y))
+     __attribute_pure__;
+
+/* Total order operation on absolute values.  */
+__MATHDECL_1 (int, totalordermag,, (const _Mdouble_ *__x,
+				    const _Mdouble_ *__y))
+     __attribute_pure__;
 
 /* Get NaN payload.  */
 __MATHCALL (getpayload,, (const _Mdouble_ *__x));
diff --git a/lib/libc/include/generic-glibc/bits/mathdef.h b/lib/libc/include/generic-glibc/bits/mathdef.h
index c40b7a363ea30b08a64b64a139c5c6e19613033d..2b43561f9fdc3da5e8117f62a61943379cd75680 100644
--- a/lib/libc/include/generic-glibc/bits/mathdef.h
+++ b/lib/libc/include/generic-glibc/bits/mathdef.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _COMPLEX_H
 # error "Never use <bits/mathdef.h> directly; include <complex.h> instead"
diff --git a/lib/libc/include/generic-glibc/bits/mman-linux.h b/lib/libc/include/generic-glibc/bits/mman-linux.h
index 69a90c3a24ab448107d09f59a1bfe2eeb626da96..a97f10212b58c1d52a4dec16f4aee7389d44c252 100644
--- a/lib/libc/include/generic-glibc/bits/mman-linux.h
+++ b/lib/libc/include/generic-glibc/bits/mman-linux.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux generic version.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman-linux.h> directly; include <sys/mman.h> instead."
@@ -87,6 +87,8 @@
 # define MADV_DODUMP	  17	/* Clear the MADV_DONTDUMP flag.  */
 # define MADV_WIPEONFORK  18	/* Zero memory on fork, child only.  */
 # define MADV_KEEPONFORK  19	/* Undo MADV_WIPEONFORK.  */
+# define MADV_COLD        20	/* Deactivate these pages.  */
+# define MADV_PAGEOUT     21	/* Reclaim these pages.  */
 # define MADV_HWPOISON	  100	/* Poison a page for testing.  */
 #endif
 
diff --git a/lib/libc/include/generic-glibc/bits/mman-map-flags-generic.h b/lib/libc/include/generic-glibc/bits/mman-map-flags-generic.h
index eee570c7aa560f8c7a8410eddbd9f856dcabd819..0cd335bd8c2028f2eef1f4d5c7b73c632f650a06 100644
--- a/lib/libc/include/generic-glibc/bits/mman-map-flags-generic.h
+++ b/lib/libc/include/generic-glibc/bits/mman-map-flags-generic.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/generic version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman-map-flags-generic.h> directly; include <sys/mman.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/mman-shared.h b/lib/libc/include/generic-glibc/bits/mman-shared.h
index 62c1ab9b1309e03599b5cb16a3ff78cc47369979..aa6c176fcacfa03505606f91efc9ccd8fd44896f 100644
--- a/lib/libc/include/generic-glibc/bits/mman-shared.h
+++ b/lib/libc/include/generic-glibc/bits/mman-shared.h
@@ -1,5 +1,5 @@
 /* Memory-mapping-related declarations/definitions, not architecture-specific.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman-shared.h> directly; include <sys/mman.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/mman.h b/lib/libc/include/generic-glibc/bits/mman.h
index 6b135d197ea0401fa0d92260c6c5b8c8514bee81..dc24c1d77358d69a2d37a6b622b1ffb09ed6cdb5 100644
--- a/lib/libc/include/generic-glibc/bits/mman.h
+++ b/lib/libc/include/generic-glibc/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/generic version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/monetary-ldbl.h b/lib/libc/include/generic-glibc/bits/monetary-ldbl.h
index cd407c5d754e6a66cd75df272c8766ceda77977f..9942df43578c16c192e7739f3badb3807a97abae 100644
--- a/lib/libc/include/generic-glibc/bits/monetary-ldbl.h
+++ b/lib/libc/include/generic-glibc/bits/monetary-ldbl.h
@@ -1,5 +1,5 @@
 /* -mlong-double-64 compatibility mode for monetary functions.
-   Copyright (C) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MONETARY_H
 # error "Never include <bits/monetary-ldbl.h> directly; use <monetary.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/mqueue.h b/lib/libc/include/generic-glibc/bits/mqueue.h
index 5e5b50b3047bb609734639b70fdc5ad9f893fc32..67b62ab802096044281df77a58707508e7631e40 100644
--- a/lib/libc/include/generic-glibc/bits/mqueue.h
+++ b/lib/libc/include/generic-glibc/bits/mqueue.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MQUEUE_H
 # error "Never use <bits/mqueue.h> directly; include <mqueue.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/mqueue2.h b/lib/libc/include/generic-glibc/bits/mqueue2.h
index 26c63e0a4451ce749bc1374d443f670886d6157e..b621163449989b76aa76de067fc9e8e1f643fb55 100644
--- a/lib/libc/include/generic-glibc/bits/mqueue2.h
+++ b/lib/libc/include/generic-glibc/bits/mqueue2.h
@@ -1,5 +1,5 @@
 /* Checking macros for mq functions.
-   Copyright (C) 2007-2019 Free Software Foundation, Inc.
+   Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never include <bits/mqueue2.h> directly; use <mqueue.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/msq-pad.h b/lib/libc/include/generic-glibc/bits/msq-pad.h
index 5504b681a4f2c41c5f8812361f92ffbfc29838d4..5cc786f0d389417191a23dd0c636114f582eabe7 100644
--- a/lib/libc/include/generic-glibc/bits/msq-pad.h
+++ b/lib/libc/include/generic-glibc/bits/msq-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct msqid_ds.  Generic version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MSG_H
 # error "Never use <bits/msq-pad.h> directly; include <sys/msg.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/msq.h b/lib/libc/include/generic-glibc/bits/msq.h
index a3db8baf944d5e51d205fb39d9252cdb3ebf6015..98efc613d1a5eb6e58fddfb8fb77101d56f36215 100644
--- a/lib/libc/include/generic-glibc/bits/msq.h
+++ b/lib/libc/include/generic-glibc/bits/msq.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MSG_H
 # error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/netdb.h b/lib/libc/include/generic-glibc/bits/netdb.h
index 5429eb43a8608df4db1e41d25e93c0a163872273..58ecfd88148f0c3b04257f1cabcc4b189c0a436b 100644
--- a/lib/libc/include/generic-glibc/bits/netdb.h
+++ b/lib/libc/include/generic-glibc/bits/netdb.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NETDB_H
 # error "Never include <bits/netdb.h> directly; use <netdb.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/param.h b/lib/libc/include/generic-glibc/bits/param.h
index 5e450b4456640ee98cae52fee1d4a6e6fb985503..c206eb422a825539e9b3bc448e33d1c19af5b064 100644
--- a/lib/libc/include/generic-glibc/bits/param.h
+++ b/lib/libc/include/generic-glibc/bits/param.h
@@ -1,5 +1,5 @@
 /* Old-style Unix parameters and limits.  Linux version.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PARAM_H
 # error "Never use <bits/param.h> directly; include <sys/param.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/poll.h b/lib/libc/include/generic-glibc/bits/poll.h
index 438d3190f90e6a96f9807f788ee7fa79191dad09..2a83587069832778a6027a363aa638096d16e91c 100644
--- a/lib/libc/include/generic-glibc/bits/poll.h
+++ b/lib/libc/include/generic-glibc/bits/poll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_POLL_H
 # error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/poll2.h b/lib/libc/include/generic-glibc/bits/poll2.h
index 4307e9966df711051cc9e8ad53873feb2ba002c6..5306616d9594aeed4a49c7b7f7ade237a9b1590d 100644
--- a/lib/libc/include/generic-glibc/bits/poll2.h
+++ b/lib/libc/include/generic-glibc/bits/poll2.h
@@ -1,5 +1,5 @@
 /* Checking macros for poll functions.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_POLL_H
 # error "Never include <bits/poll2.h> directly; use <sys/poll.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/posix1_lim.h b/lib/libc/include/generic-glibc/bits/posix1_lim.h
index f5ca957b4b35dd523a6935dc9ab83dd7565d29ca..d4eae0536a70ca5e26a3dda98dbf9e2ac739e6c5 100644
--- a/lib/libc/include/generic-glibc/bits/posix1_lim.h
+++ b/lib/libc/include/generic-glibc/bits/posix1_lim.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 2.9.2 Minimum Values	Added to <limits.h>
diff --git a/lib/libc/include/generic-glibc/bits/posix2_lim.h b/lib/libc/include/generic-glibc/bits/posix2_lim.h
index 8ebd02f92e3dea27b366fa8d3ff1ef2875f88ba6..35e658e6a8721aee3c05850acb33193776a68954 100644
--- a/lib/libc/include/generic-glibc/bits/posix2_lim.h
+++ b/lib/libc/include/generic-glibc/bits/posix2_lim.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Never include this file directly; include <limits.h> instead.
diff --git a/lib/libc/include/generic-glibc/bits/posix_opt.h b/lib/libc/include/generic-glibc/bits/posix_opt.h
index 3724ed7f2e6cdff71267aa8cbcf926cae7a28118..e81fe4a14f9692947b068cef2cdf6207288e5a08 100644
--- a/lib/libc/include/generic-glibc/bits/posix_opt.h
+++ b/lib/libc/include/generic-glibc/bits/posix_opt.h
@@ -1,5 +1,5 @@
 /* Define POSIX options for Linux.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
+   not, see <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_BITS_POSIX_OPT_H
 #define	_BITS_POSIX_OPT_H	1
diff --git a/lib/libc/include/generic-glibc/bits/ppc.h b/lib/libc/include/generic-glibc/bits/ppc.h
index 14e7b74272e4947e447a1a5db353638bd7c7ad79..b2fe880d1fe5892744bbb9a1ba48db2643850139 100644
--- a/lib/libc/include/generic-glibc/bits/ppc.h
+++ b/lib/libc/include/generic-glibc/bits/ppc.h
@@ -1,5 +1,5 @@
 /* Facilities specific to the PowerPC architecture on Linux
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PPC_H
 #define _BITS_PPC_H
diff --git a/lib/libc/include/generic-glibc/bits/printf-ldbl.h b/lib/libc/include/generic-glibc/bits/printf-ldbl.h
index b3a4b5915ab5cfe6c8530c25a73c7b6bb76f381b..98af417aa3e2d17284cd5714be7769f1dece603e 100644
--- a/lib/libc/include/generic-glibc/bits/printf-ldbl.h
+++ b/lib/libc/include/generic-glibc/bits/printf-ldbl.h
@@ -1,5 +1,5 @@
 /* -mlong-double-64 compatibility mode for <printf.h> functions.
-   Copyright (C) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _PRINTF_H
 # error "Never include <bits/printf-ldbl.h> directly; use <printf.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/procfs-extra.h b/lib/libc/include/generic-glibc/bits/procfs-extra.h
index c4d6d56f8831c515ee4040bbc2725ee326e437eb..732fafb83ed9782a76868536b26ee8789a868fe3 100644
--- a/lib/libc/include/generic-glibc/bits/procfs-extra.h
+++ b/lib/libc/include/generic-glibc/bits/procfs-extra.h
@@ -1,5 +1,5 @@
 /* Extra sys/procfs.h definitions.  Generic Linux version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-extra.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/procfs-id.h b/lib/libc/include/generic-glibc/bits/procfs-id.h
index 063cda0183f19a489b5d4c2220b50ab72f005590..38906b63033323f52c87aabb00733e2cc9ffa4b7 100644
--- a/lib/libc/include/generic-glibc/bits/procfs-id.h
+++ b/lib/libc/include/generic-glibc/bits/procfs-id.h
@@ -1,5 +1,5 @@
 /* Types of pr_uid and pr_gid in struct elf_prpsinfo.  Generic Linux version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-id.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/procfs-prregset.h b/lib/libc/include/generic-glibc/bits/procfs-prregset.h
index 5284632551e5902e22241c5540db703027fd6b91..310acb9290ed547e8f2e2871da55d2874c219ace 100644
--- a/lib/libc/include/generic-glibc/bits/procfs-prregset.h
+++ b/lib/libc/include/generic-glibc/bits/procfs-prregset.h
@@ -1,5 +1,5 @@
 /* Types of prgregset_t and prfpregset_t.  Generic Linux version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-prregset.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/procfs.h b/lib/libc/include/generic-glibc/bits/procfs.h
index 2c76f9024673f7fffc9f00792ec140762c39469a..66a5f6726b36982174c530dd471af249c669d3ae 100644
--- a/lib/libc/include/generic-glibc/bits/procfs.h
+++ b/lib/libc/include/generic-glibc/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  MIPS version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/pthreadtypes-arch.h b/lib/libc/include/generic-glibc/bits/pthreadtypes-arch.h
index 0de6106f3444bfb2681c29616d4f6300699e2908..549deac37b4c345595ea7c5453663350ecffc61d 100644
--- a/lib/libc/include/generic-glibc/bits/pthreadtypes-arch.h
+++ b/lib/libc/include/generic-glibc/bits/pthreadtypes-arch.h
@@ -1,5 +1,6 @@
-/* Machine-specific pthread type layouts.  MIPS version.
-   Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Machine-specific pthread type layouts.  Generic version.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,77 +14,32 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
+   License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_ARCH_H
 #define _BITS_PTHREADTYPES_ARCH_H	1
 
-#include <endian.h>
+#include <bits/wordsize.h>
 
-#if _MIPS_SIM == _ABI64
-# define __SIZEOF_PTHREAD_ATTR_T 56
-# define __SIZEOF_PTHREAD_MUTEX_T 40
-# define __SIZEOF_PTHREAD_RWLOCK_T 56
-# define __SIZEOF_PTHREAD_BARRIER_T 32
+#if __WORDSIZE == 64
+# define __SIZEOF_PTHREAD_ATTR_T        56
+# define __SIZEOF_PTHREAD_MUTEX_T       40
+# define __SIZEOF_PTHREAD_RWLOCK_T      56
+# define __SIZEOF_PTHREAD_BARRIER_T     32
 #else
-# define __SIZEOF_PTHREAD_ATTR_T 36
-# define __SIZEOF_PTHREAD_MUTEX_T 24
-# define __SIZEOF_PTHREAD_RWLOCK_T 32
-# define __SIZEOF_PTHREAD_BARRIER_T 20
+# define __SIZEOF_PTHREAD_ATTR_T        36
+# define __SIZEOF_PTHREAD_MUTEX_T       24
+# define __SIZEOF_PTHREAD_RWLOCK_T      32
+# define __SIZEOF_PTHREAD_BARRIER_T     20
 #endif
-#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
-#define __SIZEOF_PTHREAD_COND_T 48
-#define __SIZEOF_PTHREAD_CONDATTR_T 4
-#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
-#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
-
-/* Data structure for mutex handling. */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  (_MIPS_SIM != _ABI64)
-#define __PTHREAD_MUTEX_USE_UNION          (_MIPS_SIM != _ABI64)
+#define __SIZEOF_PTHREAD_MUTEXATTR_T     4
+#define __SIZEOF_PTHREAD_RWLOCKATTR_T    8
+#define __SIZEOF_PTHREAD_BARRIERATTR_T   4
+#define __SIZEOF_PTHREAD_COND_T         48
+#define __SIZEOF_PTHREAD_CONDATTR_T      4
 
 #define __LOCK_ALIGNMENT
 #define __ONCE_ALIGNMENT
 
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#if _MIPS_SIM == _ABI64
-  int __cur_writer;
-  int __shared;
-  unsigned long int __pad1;
-  unsigned long int __pad2;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned int __flags;
-# else
-# if __BYTE_ORDER == __BIG_ENDIAN
-  unsigned char __pad1;
-  unsigned char __pad2;
-  unsigned char __shared;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-# else
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  unsigned char __shared;
-  unsigned char __pad1;
-  unsigned char __pad2;
-# endif
-  int __cur_writer;
-#endif
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-
 #endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/generic-glibc/bits/pthreadtypes.h b/lib/libc/include/generic-glibc/bits/pthreadtypes.h
index ba83958e96ada64f0f8cf0b5afa71fdf6bdb150c..7125b6aeb49295316cb16af515461e095d69dc6a 100644
--- a/lib/libc/include/generic-glibc/bits/pthreadtypes.h
+++ b/lib/libc/include/generic-glibc/bits/pthreadtypes.h
@@ -1,5 +1,5 @@
 /* Declaration of common pthread types for all architectures.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_COMMON_H
 # define _BITS_PTHREADTYPES_COMMON_H	1
diff --git a/lib/libc/include/generic-glibc/bits/ptrace-shared.h b/lib/libc/include/generic-glibc/bits/ptrace-shared.h
index 98df8f3c4b5f6576a0b88557c4d1fef1af47daa5..3b729fc7e4188f5468f9bb6ed2745c57406bfe53 100644
--- a/lib/libc/include/generic-glibc/bits/ptrace-shared.h
+++ b/lib/libc/include/generic-glibc/bits/ptrace-shared.h
@@ -1,6 +1,6 @@
 /* `ptrace' debugger support interface.  Linux version,
    not architecture-specific.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -16,7 +16,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PTRACE_H
 # error "Never use <bits/ptrace-shared.h> directly; include <sys/ptrace.h> instead."
@@ -52,6 +52,15 @@ enum __ptrace_eventcodes
   PTRACE_EVENT_STOP	= 128
 };
 
+/* Type of stop for PTRACE_GET_SYSCALL_INFO.  */
+enum __ptrace_get_syscall_info_op
+{
+  PTRACE_SYSCALL_INFO_NONE = 0,
+  PTRACE_SYSCALL_INFO_ENTRY = 1,
+  PTRACE_SYSCALL_INFO_EXIT = 2,
+  PTRACE_SYSCALL_INFO_SECCOMP = 3
+};
+
 /* Arguments for PTRACE_PEEKSIGINFO.  */
 struct __ptrace_peeksiginfo_args
 {
@@ -73,6 +82,44 @@ struct __ptrace_seccomp_metadata
   __uint64_t flags;		/* Output: filter's flags.  */
 };
 
+/* Results of PTRACE_GET_SYSCALL_INFO.  */
+struct __ptrace_syscall_info
+{
+  __uint8_t op;			/* One of the enum
+				   __ptrace_get_syscall_info_op
+				   values.  */
+  __uint32_t arch __attribute__ ((__aligned__ (4))); /* AUDIT_ARCH_*
+							value.  */
+  __uint64_t instruction_pointer; /* Instruction pointer.  */
+  __uint64_t stack_pointer;	/* Stack pointer.  */
+  union
+  {
+    /* System call number and arguments, for
+       PTRACE_SYSCALL_INFO_ENTRY.  */
+    struct
+    {
+      __uint64_t nr;
+      __uint64_t args[6];
+    } entry;
+    /* System call return value and error flag, for
+       PTRACE_SYSCALL_INFO_EXIT.  */
+    struct
+    {
+      __int64_t rval;
+      __uint8_t is_error;
+    } exit;
+    /* System call number, arguments and SECCOMP_RET_DATA portion of
+       SECCOMP_RET_TRACE return value, for
+       PTRACE_SYSCALL_INFO_SECCOMP.  */
+    struct
+    {
+      __uint64_t nr;
+      __uint64_t args[6];
+      __uint32_t ret_data;
+    } seccomp;
+  };
+};
+
 /* Perform process tracing functions.  REQUEST is one of the values
    above, and determines the action to be taken.
    For all requests except PTRACE_TRACEME, PID specifies the process to be
diff --git a/lib/libc/include/generic-glibc/bits/resource.h b/lib/libc/include/generic-glibc/bits/resource.h
index 979f6a70cc3d4ac29b78be9a0226e66778272533..6f4ec334ac143044d6fe732b1063d30da70f1741 100644
--- a/lib/libc/include/generic-glibc/bits/resource.h
+++ b/lib/libc/include/generic-glibc/bits/resource.h
@@ -1,5 +1,5 @@
 /* Bit values & structures for resource limits.  Linux version.
-   Copyright (C) 1994-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_RESOURCE_H
 # error "Never use <bits/resource.h> directly; include <sys/resource.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/sched.h b/lib/libc/include/generic-glibc/bits/sched.h
index 7eb5f3d69b5e4086bb746a151f6a9c74071e3a93..fb1f1b5971601fe7a75fb2ed3acda17dc2dd346c 100644
--- a/lib/libc/include/generic-glibc/bits/sched.h
+++ b/lib/libc/include/generic-glibc/bits/sched.h
@@ -1,6 +1,6 @@
 /* Definitions of constants and data structure for POSIX 1003.1b-1993
    scheduling interface.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SCHED_H
 #define _BITS_SCHED_H 1
@@ -44,6 +44,8 @@
 # define CLONE_FS      0x00000200 /* Set if fs info shared between processes.  */
 # define CLONE_FILES   0x00000400 /* Set if open files shared between processes.  */
 # define CLONE_SIGHAND 0x00000800 /* Set if signal handlers shared.  */
+# define CLONE_PIDFD   0x00001000 /* Set if a pidfd should be placed
+				     in parent.  */
 # define CLONE_PTRACE  0x00002000 /* Set if tracing continues on the child.  */
 # define CLONE_VFORK   0x00004000 /* Set if the parent wants the child to
 				     wake it up on mm_release.  */
diff --git a/lib/libc/include/generic-glibc/bits/select.h b/lib/libc/include/generic-glibc/bits/select.h
index fe9398c8249880ffae591f7761b29bdc62ee45ee..d71b5e4ce24a29fe1286e0a785ed3be21c9c6276 100644
--- a/lib/libc/include/generic-glibc/bits/select.h
+++ b/lib/libc/include/generic-glibc/bits/select.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SELECT_H
 # error "Never use <bits/select.h> directly; include <sys/select.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/select2.h b/lib/libc/include/generic-glibc/bits/select2.h
index 53dd32bad66b559ac8a22c0f8e11561be71e2916..052223de2d9d854aa2fc39e2608c3a1ce2d10672 100644
--- a/lib/libc/include/generic-glibc/bits/select2.h
+++ b/lib/libc/include/generic-glibc/bits/select2.h
@@ -1,5 +1,5 @@
 /* Checking macros for select functions.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SELECT_H
 # error "Never include <bits/select2.h> directly; use <sys/select.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/sem-pad.h b/lib/libc/include/generic-glibc/bits/sem-pad.h
index 8eb3f121aa830a6eda7fdffdb4309fbc609364ab..92c1bab60a4060f9b8acc738af704e1e1635ffa0 100644
--- a/lib/libc/include/generic-glibc/bits/sem-pad.h
+++ b/lib/libc/include/generic-glibc/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  Generic version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/sem.h b/lib/libc/include/generic-glibc/bits/sem.h
index a3e4d27e0fb8a3410cf8b8929599188326a0afac..b352aa0cbb878754be19d62809bb6b3ad12fed82 100644
--- a/lib/libc/include/generic-glibc/bits/sem.h
+++ b/lib/libc/include/generic-glibc/bits/sem.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never include <bits/sem.h> directly; use <sys/sem.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/semaphore.h b/lib/libc/include/generic-glibc/bits/semaphore.h
index dadb5d8d8e2819e28f568d77e2c571312b2d48f7..e28b319eb5c7960af3d28cf5ecaad438b47a525f 100644
--- a/lib/libc/include/generic-glibc/bits/semaphore.h
+++ b/lib/libc/include/generic-glibc/bits/semaphore.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/setjmp.h b/lib/libc/include/generic-glibc/bits/setjmp.h
index 8cc70890e68fcc9ef53bd784eb6de6c0e7c5d08f..7fefe88f6230541948e29bb1d0c360f3a5118d9c 100644
--- a/lib/libc/include/generic-glibc/bits/setjmp.h
+++ b/lib/libc/include/generic-glibc/bits/setjmp.h
@@ -1,5 +1,5 @@
 /* Define the machine-dependent type `jmp_buf'.  MIPS version.
-   Copyright (C) 1992-2019 Free Software Foundation, Inc.
+   Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MIPS_BITS_SETJMP_H
 #define _MIPS_BITS_SETJMP_H 1
diff --git a/lib/libc/include/generic-glibc/bits/setjmp2.h b/lib/libc/include/generic-glibc/bits/setjmp2.h
index 0d4e20010b33f9ee8d41fa7d761f2a4a62429d69..ba46b5ad27df0950e69cb9772003ab4d8d35c59b 100644
--- a/lib/libc/include/generic-glibc/bits/setjmp2.h
+++ b/lib/libc/include/generic-glibc/bits/setjmp2.h
@@ -1,5 +1,5 @@
 /* Checking macros for setjmp functions.
-   Copyright (C) 2009-2019 Free Software Foundation, Inc.
+   Copyright (C) 2009-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SETJMP_H
 # error "Never include <bits/setjmp2.h> directly; use <setjmp.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/shm-pad.h b/lib/libc/include/generic-glibc/bits/shm-pad.h
index 29fc0c3160cd20a51541458ea29eff2b2a1139e9..e214cd6e6b894af41ea5b31be8b4d4606bf0b242 100644
--- a/lib/libc/include/generic-glibc/bits/shm-pad.h
+++ b/lib/libc/include/generic-glibc/bits/shm-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct shmid_ds.  Generic version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shm-pad.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/shm.h b/lib/libc/include/generic-glibc/bits/shm.h
index 67716266d7979b7f0a6b2486e68609935953ec8a..97e4d577e0d9a6465accaa7b76a51c0fa4cabf7b 100644
--- a/lib/libc/include/generic-glibc/bits/shm.h
+++ b/lib/libc/include/generic-glibc/bits/shm.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never include <bits/shm.h> directly; use <sys/shm.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/shmlba.h b/lib/libc/include/generic-glibc/bits/shmlba.h
index ebe9044b07f8773bf3b2ce8aa3ee3c7a6997c0aa..796377719d1b54f680629ebaa53423cca5f39dde 100644
--- a/lib/libc/include/generic-glibc/bits/shmlba.h
+++ b/lib/libc/include/generic-glibc/bits/shmlba.h
@@ -1,5 +1,5 @@
 /* Define SHMLBA.  Generic version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/sigaction.h b/lib/libc/include/generic-glibc/bits/sigaction.h
index 6c825a65b65ca920f30b759a0119f7dd598dfedc..33e922806fd75d631b55b0ee6efce749c592f642 100644
--- a/lib/libc/include/generic-glibc/bits/sigaction.h
+++ b/lib/libc/include/generic-glibc/bits/sigaction.h
@@ -1,5 +1,5 @@
 /* The proper definitions for Linux's sigaction.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGACTION_H
 #define _BITS_SIGACTION_H 1
diff --git a/lib/libc/include/generic-glibc/bits/sigcontext.h b/lib/libc/include/generic-glibc/bits/sigcontext.h
index 6e04b340f9441c9fa49752017063c7e9c887e26d..4496148619cdcecb5086687ed7a24c04b8e23fd3 100644
--- a/lib/libc/include/generic-glibc/bits/sigcontext.h
+++ b/lib/libc/include/generic-glibc/bits/sigcontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGCONTEXT_H
 #define _BITS_SIGCONTEXT_H 1
diff --git a/lib/libc/include/generic-glibc/bits/sigevent-consts.h b/lib/libc/include/generic-glibc/bits/sigevent-consts.h
index bd3ee34ed8f5bbbad59500c1dca7df7994ac0b5e..af2d93c49145acbf419617b00fd9784d3963616a 100644
--- a/lib/libc/include/generic-glibc/bits/sigevent-consts.h
+++ b/lib/libc/include/generic-glibc/bits/sigevent-consts.h
@@ -1,5 +1,5 @@
 /* sigevent constants.  Linux version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGEVENT_CONSTS_H
 #define _BITS_SIGEVENT_CONSTS_H 1
diff --git a/lib/libc/include/generic-glibc/bits/siginfo-consts.h b/lib/libc/include/generic-glibc/bits/siginfo-consts.h
index 84be2420f4ccd782f4457b9de8684d24d46b7dd4..c3ce77428b73a2c407e2699f36f01ef8c615c22e 100644
--- a/lib/libc/include/generic-glibc/bits/siginfo-consts.h
+++ b/lib/libc/include/generic-glibc/bits/siginfo-consts.h
@@ -1,5 +1,5 @@
 /* siginfo constants.  Linux version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGINFO_CONSTS_H
 #define _BITS_SIGINFO_CONSTS_H 1
diff --git a/lib/libc/include/generic-glibc/bits/signal_ext.h b/lib/libc/include/generic-glibc/bits/signal_ext.h
index 1a937faf9be4822a288ce57ee64b88d7916497d1..bbcabd03b675acac9c039f8f31934fba94bf88f4 100644
--- a/lib/libc/include/generic-glibc/bits/signal_ext.h
+++ b/lib/libc/include/generic-glibc/bits/signal_ext.h
@@ -1,5 +1,5 @@
 /* System-specific extensions of <signal.h>, Linux version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SIGNAL_H
 # error "Never include <bits/signal_ext.h> directly; use <signal.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/signalfd.h b/lib/libc/include/generic-glibc/bits/signalfd.h
index ee9044e73e999a7c46a2106bf633738e159a8fed..632c233631d934e0fbda4f2d3121cccb02f9db04 100644
--- a/lib/libc/include/generic-glibc/bits/signalfd.h
+++ b/lib/libc/include/generic-glibc/bits/signalfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_SIGNALFD_H
 # error "Never use <bits/signalfd.h> directly; include <sys/signalfd.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/signum-generic.h b/lib/libc/include/generic-glibc/bits/signum-generic.h
index 70934ca3243db9f95dec204faef4a794c1e3e4c5..fc31cf9cffa33ff21fc185abfbd0cb0bbdc53a87 100644
--- a/lib/libc/include/generic-glibc/bits/signum-generic.h
+++ b/lib/libc/include/generic-glibc/bits/signum-generic.h
@@ -1,5 +1,5 @@
 /* Signal number constants.  Generic template.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_BITS_SIGNUM_GENERIC_H
 #define _BITS_SIGNUM_GENERIC_H 1
diff --git a/lib/libc/include/generic-glibc/bits/signum.h b/lib/libc/include/generic-glibc/bits/signum.h
index e8b3e40af256c1713500f2ce217bc516ca5bfad9..a549ca0204e0871154668ca1722c0e7274304575 100644
--- a/lib/libc/include/generic-glibc/bits/signum.h
+++ b/lib/libc/include/generic-glibc/bits/signum.h
@@ -1,5 +1,5 @@
 /* Signal number definitions.  Linux version.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGNUM_H
 #define _BITS_SIGNUM_H 1
diff --git a/lib/libc/include/generic-glibc/bits/sigstack.h b/lib/libc/include/generic-glibc/bits/sigstack.h
index 21c08359f0c3c8ce6d77b544b48378fa26c8c85d..e8cd6678169a17c414b1c43617101eac0788df0e 100644
--- a/lib/libc/include/generic-glibc/bits/sigstack.h
+++ b/lib/libc/include/generic-glibc/bits/sigstack.h
@@ -1,5 +1,5 @@
 /* sigstack, sigaltstack definitions.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGSTACK_H
 #define _BITS_SIGSTACK_H 1
diff --git a/lib/libc/include/generic-glibc/bits/sigthread.h b/lib/libc/include/generic-glibc/bits/sigthread.h
index 6248041ce1e1cb47847fb3203e022b993c564c3a..759c294e8f1b53fdf09158e2676e3e6415a556c5 100644
--- a/lib/libc/include/generic-glibc/bits/sigthread.h
+++ b/lib/libc/include/generic-glibc/bits/sigthread.h
@@ -1,5 +1,5 @@
 /* Signal handling function for threaded programs.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
+   not, see <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGTHREAD_H
 #define _BITS_SIGTHREAD_H	1
diff --git a/lib/libc/include/generic-glibc/bits/sockaddr.h b/lib/libc/include/generic-glibc/bits/sockaddr.h
index 4ebdab50d5a85e2ebe90085a530202047f60cd5b..29d95bec861bac04f685cd6d5d12607e0aee565f 100644
--- a/lib/libc/include/generic-glibc/bits/sockaddr.h
+++ b/lib/libc/include/generic-glibc/bits/sockaddr.h
@@ -1,5 +1,5 @@
 /* Definition of struct sockaddr_* common members and sizes, generic version.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Never include this file directly; use <sys/socket.h> instead.
diff --git a/lib/libc/include/generic-glibc/bits/socket-constants.h b/lib/libc/include/generic-glibc/bits/socket-constants.h
index b5dd49b6df2c98c965bd2f0e953da4fbeb0ca359..1781053c77faef766bd578254890920f1407497e 100644
--- a/lib/libc/include/generic-glibc/bits/socket-constants.h
+++ b/lib/libc/include/generic-glibc/bits/socket-constants.h
@@ -1,5 +1,5 @@
 /* Socket constants which vary among Linux architectures.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/socket.h b/lib/libc/include/generic-glibc/bits/socket.h
index 6702cca1406a3a3a3daef1c5bef2af2e092d55fd..44ff857923b610ac52fa259a69cd915a5ecac071 100644
--- a/lib/libc/include/generic-glibc/bits/socket.h
+++ b/lib/libc/include/generic-glibc/bits/socket.h
@@ -1,5 +1,5 @@
 /* System-specific socket constants and types.  Linux version.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __BITS_SOCKET_H
 #define __BITS_SOCKET_H
@@ -169,7 +169,7 @@ typedef __socklen_t socklen_t;
 #define SOL_XDP		283
 
 /* Maximum queue length specifiable by listen.  */
-#define SOMAXCONN	128
+#define SOMAXCONN	4096
 
 /* Get the definition of the macro to define the common sockaddr members.  */
 #include <bits/sockaddr.h>
diff --git a/lib/libc/include/generic-glibc/bits/socket2.h b/lib/libc/include/generic-glibc/bits/socket2.h
index db09943be6c678a792d76109663f4768f4c17095..1550ff009106d34c4b1d90daa43d618bf506b23f 100644
--- a/lib/libc/include/generic-glibc/bits/socket2.h
+++ b/lib/libc/include/generic-glibc/bits/socket2.h
@@ -1,5 +1,5 @@
 /* Checking macros for socket functions.
-   Copyright (C) 2005-2019 Free Software Foundation, Inc.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket2.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/socket_type.h b/lib/libc/include/generic-glibc/bits/socket_type.h
index 8787d66a03b2f060ab3e841e31ba464a8db8dbed..9c444f0d10114c8065fd7b49556f28c53afe3659 100644
--- a/lib/libc/include/generic-glibc/bits/socket_type.h
+++ b/lib/libc/include/generic-glibc/bits/socket_type.h
@@ -1,5 +1,5 @@
 /* Define enum __socket_type for generic Linux.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket_type.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/ss_flags.h b/lib/libc/include/generic-glibc/bits/ss_flags.h
index 31b46a923702bbd34c6b02ef09e274ea2d8e21ee..302984b22bc150a2ceacbdbb5bc1896c7194bee8 100644
--- a/lib/libc/include/generic-glibc/bits/ss_flags.h
+++ b/lib/libc/include/generic-glibc/bits/ss_flags.h
@@ -1,5 +1,5 @@
 /* ss_flags values for stack_t.  Linux version.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SS_FLAGS_H
 #define _BITS_SS_FLAGS_H 1
diff --git a/lib/libc/include/generic-glibc/bits/stab.def b/lib/libc/include/generic-glibc/bits/stab.def
index 47cdddfd96c981e9945159462ce9ae18f5eca9b8..1730bce0adde4e8f1a0acb3ae61b5e199f64fbda 100644
--- a/lib/libc/include/generic-glibc/bits/stab.def
+++ b/lib/libc/include/generic-glibc/bits/stab.def
@@ -1,5 +1,5 @@
 /* Table of DBX symbol codes for the GNU system.
-   Copyright (C) 1988, 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1988, 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This contains contribution from Cygnus Support.  */
 
diff --git a/lib/libc/include/generic-glibc/bits/stat.h b/lib/libc/include/generic-glibc/bits/stat.h
index 7b6aa9487cc86f4c6eaa68d70df1d9f18b53e340..b298b3f3367fa7bce9df465ae7958316de54bc36 100644
--- a/lib/libc/include/generic-glibc/bits/stat.h
+++ b/lib/libc/include/generic-glibc/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/statfs.h b/lib/libc/include/generic-glibc/bits/statfs.h
index b0f0560789751b184425acc013e3136106b53d3d..d4be118bd887e272ea354a79f9909f4c523eab96 100644
--- a/lib/libc/include/generic-glibc/bits/statfs.h
+++ b/lib/libc/include/generic-glibc/bits/statfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_STATFS_H
 # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/statvfs.h b/lib/libc/include/generic-glibc/bits/statvfs.h
index 486c6b13f91afa744d14a9a759e82d0b3266616f..35187196039b165ea5a73bc1f24f8b16ec237fc0 100644
--- a/lib/libc/include/generic-glibc/bits/statvfs.h
+++ b/lib/libc/include/generic-glibc/bits/statvfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_STATVFS_H
 # error "Never include <bits/statvfs.h> directly; use <sys/statvfs.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/statx-generic.h b/lib/libc/include/generic-glibc/bits/statx-generic.h
index f2c2e208b15eaa4683575a425d568830af80ee1d..e277c97c32cb5caa4438c6ed9fdd986a91342009 100644
--- a/lib/libc/include/generic-glibc/bits/statx-generic.h
+++ b/lib/libc/include/generic-glibc/bits/statx-generic.h
@@ -1,5 +1,5 @@
 /* Generic statx-related definitions and declarations.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This interface is based on <linux/stat.h> in Linux.  */
 
diff --git a/lib/libc/include/generic-glibc/bits/statx.h b/lib/libc/include/generic-glibc/bits/statx.h
index dbfe1127fe697c3c5bc83082353ed16a92323d46..93333e8df9fe69d2b1c11f46ba719e3a03a94e06 100644
--- a/lib/libc/include/generic-glibc/bits/statx.h
+++ b/lib/libc/include/generic-glibc/bits/statx.h
@@ -1,5 +1,5 @@
 /* statx-related definitions and declarations.  Linux version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This interface is based on <linux/stat.h> in Linux.  */
 
@@ -26,11 +26,13 @@
 
 /* Use "" to work around incorrect macro expansion of the
    __has_include argument (GCC PR 80005).  */
-#if __glibc_has_include ("linux/stat.h")
-# include "linux/stat.h"
-# ifdef STATX_TYPE
-#  define __statx_timestamp_defined 1
-#  define __statx_defined 1
+#ifdef __has_include
+# if __has_include ("linux/stat.h")
+#  include "linux/stat.h"
+#  ifdef STATX_TYPE
+#   define __statx_timestamp_defined 1
+#   define __statx_defined 1
+#  endif
 # endif
 #endif
 
diff --git a/lib/libc/include/generic-glibc/bits/stdint-intn.h b/lib/libc/include/generic-glibc/bits/stdint-intn.h
index 25d902cdf2bb6747aba3e4a943f0238e2b97463d..25e6c5f9642839d6178d9453af92b9c329debd9c 100644
--- a/lib/libc/include/generic-glibc/bits/stdint-intn.h
+++ b/lib/libc/include/generic-glibc/bits/stdint-intn.h
@@ -1,5 +1,5 @@
 /* Define intN_t types.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_STDINT_INTN_H
 #define _BITS_STDINT_INTN_H	1
diff --git a/lib/libc/include/generic-glibc/bits/stdint-uintn.h b/lib/libc/include/generic-glibc/bits/stdint-uintn.h
index 3ce1b861e76adce21100254dda897d0838f7dad6..171f824b85ec51a507454235bf4e97eb660aa93b 100644
--- a/lib/libc/include/generic-glibc/bits/stdint-uintn.h
+++ b/lib/libc/include/generic-glibc/bits/stdint-uintn.h
@@ -1,5 +1,5 @@
 /* Define uintN_t types.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_STDINT_UINTN_H
 #define _BITS_STDINT_UINTN_H	1
diff --git a/lib/libc/include/generic-glibc/bits/stdio-ldbl.h b/lib/libc/include/generic-glibc/bits/stdio-ldbl.h
index 4b2a70883ffb5f514449691285d067325ba2569e..1e6a0edf64b03403a7540606b560b486c75ef57c 100644
--- a/lib/libc/include/generic-glibc/bits/stdio-ldbl.h
+++ b/lib/libc/include/generic-glibc/bits/stdio-ldbl.h
@@ -1,5 +1,5 @@
 /* -mlong-double-64 compatibility mode for stdio functions.
-   Copyright (C) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _STDIO_H
 # error "Never include <bits/stdio-ldbl.h> directly; use <stdio.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/stdio.h b/lib/libc/include/generic-glibc/bits/stdio.h
index 50f3ca058edc21e933f9c84488373f9dec7839fd..656db408dedbfe11a43a27a52f76ba24162e2592 100644
--- a/lib/libc/include/generic-glibc/bits/stdio.h
+++ b/lib/libc/include/generic-glibc/bits/stdio.h
@@ -1,5 +1,5 @@
 /* Optimizing macros and inline functions for stdio functions.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_STDIO_H
 #define _BITS_STDIO_H 1
diff --git a/lib/libc/include/generic-glibc/bits/stdio2.h b/lib/libc/include/generic-glibc/bits/stdio2.h
index ffb29f23d58feaa18ec2e2c30152caf42c9467f0..32e4a4b64a668ffc18de315028c5714eceff3741 100644
--- a/lib/libc/include/generic-glibc/bits/stdio2.h
+++ b/lib/libc/include/generic-glibc/bits/stdio2.h
@@ -1,5 +1,5 @@
 /* Checking macros for stdio functions.
-   Copyright (C) 2004-2019 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_STDIO2_H
 #define _BITS_STDIO2_H 1
diff --git a/lib/libc/include/generic-glibc/bits/stdio_lim.h b/lib/libc/include/generic-glibc/bits/stdio_lim.h
index b907b33f5766999fa56df91774e188a11917d61f..8e9de1e0707364c689a143d376be09f616f622fa 100644
--- a/lib/libc/include/generic-glibc/bits/stdio_lim.h
+++ b/lib/libc/include/generic-glibc/bits/stdio_lim.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1994-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_STDIO_LIM_H
 #define _BITS_STDIO_LIM_H 1
diff --git a/lib/libc/include/generic-glibc/bits/stdlib-bsearch.h b/lib/libc/include/generic-glibc/bits/stdlib-bsearch.h
index f1253f20314ee8d7ba5ce57480b41e6981ce19ff..4c6189dd73002f45be57a0f01ebc5f923a3999d0 100644
--- a/lib/libc/include/generic-glibc/bits/stdlib-bsearch.h
+++ b/lib/libc/include/generic-glibc/bits/stdlib-bsearch.h
@@ -1,5 +1,5 @@
 /* Perform binary search - inline version.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 __extern_inline void *
 bsearch (const void *__key, const void *__base, size_t __nmemb, size_t __size,
diff --git a/lib/libc/include/generic-glibc/bits/stdlib-float.h b/lib/libc/include/generic-glibc/bits/stdlib-float.h
index 05823e317331cc9a9d6786d3f42fd50a085906e7..e42e0e5d91e26d339d90c7c8db47fa94c07286ac 100644
--- a/lib/libc/include/generic-glibc/bits/stdlib-float.h
+++ b/lib/libc/include/generic-glibc/bits/stdlib-float.h
@@ -1,5 +1,5 @@
 /* Floating-point inline functions for stdlib.h.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _STDLIB_H
 # error "Never use <bits/stdlib-float.h> directly; include <stdlib.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/stdlib-ldbl.h b/lib/libc/include/generic-glibc/bits/stdlib-ldbl.h
index 7260cd5400b92ae5d36b50f85dc195a6e7b1d29a..b4c4abe997fd1f27872023ecb374362215afb981 100644
--- a/lib/libc/include/generic-glibc/bits/stdlib-ldbl.h
+++ b/lib/libc/include/generic-glibc/bits/stdlib-ldbl.h
@@ -1,5 +1,5 @@
 /* -mlong-double-64 compatibility mode for <stdlib.h> functions.
-   Copyright (C) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _STDLIB_H
 # error "Never include <bits/stdlib-ldbl.h> directly; use <stdlib.h> instead."
@@ -28,7 +28,7 @@ __LDBL_REDIR1_DECL (strtold, strtod)
 __LDBL_REDIR1_DECL (strtold_l, strtod_l)
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 __LDBL_REDIR1_DECL (strfroml, strfromd)
 #endif
 
diff --git a/lib/libc/include/generic-glibc/bits/stdlib.h b/lib/libc/include/generic-glibc/bits/stdlib.h
index 5ce9d17d41f1d52a30ece658c819405cf3d00b79..d6fb14eb3292273e562b376fcdf0504f81dff28b 100644
--- a/lib/libc/include/generic-glibc/bits/stdlib.h
+++ b/lib/libc/include/generic-glibc/bits/stdlib.h
@@ -1,5 +1,5 @@
 /* Checking macros for stdlib functions.
-   Copyright (C) 2005-2019 Free Software Foundation, Inc.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _STDLIB_H
 # error "Never include <bits/stdlib.h> directly; use <stdlib.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/string_fortified.h b/lib/libc/include/generic-glibc/bits/string_fortified.h
index 1e9bd066804b85198a22ed61f9f42e45a58c94a7..f516808da36adf457fe9dec825fae649e4ec5468 100644
--- a/lib/libc/include/generic-glibc/bits/string_fortified.h
+++ b/lib/libc/include/generic-glibc/bits/string_fortified.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_STRING_FORTIFIED_H
 #define _BITS_STRING_FORTIFIED_H 1
diff --git a/lib/libc/include/generic-glibc/bits/strings_fortified.h b/lib/libc/include/generic-glibc/bits/strings_fortified.h
index 77696022f41253229a654f64829f1d2e0bccd38d..fae5c6754dc5bd619d951dd56a1d54ca0458c7a4 100644
--- a/lib/libc/include/generic-glibc/bits/strings_fortified.h
+++ b/lib/libc/include/generic-glibc/bits/strings_fortified.h
@@ -1,5 +1,5 @@
 /* Fortify macros for strings.h functions.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __STRINGS_FORTIFIED
 # define __STRINGS_FORTIFIED 1
diff --git a/lib/libc/include/generic-glibc/bits/struct_mutex.h b/lib/libc/include/generic-glibc/bits/struct_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..092f4ee080a9ca1ba43fe9c0ca6551774847a8d5
--- /dev/null
+++ b/lib/libc/include/generic-glibc/bits/struct_mutex.h
@@ -0,0 +1,84 @@
+/* Default mutex implementation struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_MUTEX_INTERNAL_H
+#define _THREAD_MUTEX_INTERNAL_H 1
+
+/* Generic struct for both POSIX and C11 mutexes.  New ports are expected
+   to use the default layout, however architecture can redefine it to
+   add arch-specific extension (such as lock-elision).  The struct have
+   a size of 32 bytes on LP32 and 40 bytes on LP64 architectures.  */
+
+struct __pthread_mutex_s
+{
+  int __lock __LOCK_ALIGNMENT;
+  unsigned int __count;
+  int __owner;
+#if __WORDSIZE == 64
+  unsigned int __nusers;
+#endif
+  /* KIND must stay at this position in the structure to maintain
+     binary compatibility with static initializers.
+
+     Concurrency notes:
+     The __kind of a mutex is initialized either by the static
+     PTHREAD_MUTEX_INITIALIZER or by a call to pthread_mutex_init.
+
+     After a mutex has been initialized, the __kind of a mutex is usually not
+     changed.  BUT it can be set to -1 in pthread_mutex_destroy or elision can
+     be enabled.  This is done concurrently in the pthread_mutex_*lock
+     functions by using the macro FORCE_ELISION. This macro is only defined
+     for architectures which supports lock elision.
+
+     For elision, there are the flags PTHREAD_MUTEX_ELISION_NP and
+     PTHREAD_MUTEX_NO_ELISION_NP which can be set in addition to the already
+     set type of a mutex.  Before a mutex is initialized, only
+     PTHREAD_MUTEX_NO_ELISION_NP can be set with pthread_mutexattr_settype.
+
+     After a mutex has been initialized, the functions pthread_mutex_*lock can
+     enable elision - if the mutex-type and the machine supports it - by
+     setting the flag PTHREAD_MUTEX_ELISION_NP. This is done concurrently.
+     Afterwards the lock / unlock functions are using specific elision
+     code-paths.  */
+  int __kind;
+#if __WORDSIZE != 64
+  unsigned int __nusers;
+#endif
+#if __WORDSIZE == 64
+  int __spins;
+  __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV      1
+#else
+  __extension__ union
+  {
+    int __spins;
+    __pthread_slist_t __list;
+  };
+# define __PTHREAD_MUTEX_HAVE_PREV      0
+#endif
+};
+
+#if __PTHREAD_MUTEX_HAVE_PREV == 1
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, 0, __kind, 0, { 0, 0 }
+#else
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, __kind, 0, { 0 }
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/generic-glibc/bits/struct_rwlock.h b/lib/libc/include/generic-glibc/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..e1e54e75bbf04131f601eba5574860200d462b73
--- /dev/null
+++ b/lib/libc/include/generic-glibc/bits/struct_rwlock.h
@@ -0,0 +1,71 @@
+/* MIPS internal rwlock struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _RWLOCK_INTERNAL_H
+#define _RWLOCK_INTERNAL_H
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+#if _MIPS_SIM == _ABI64
+  int __cur_writer;
+  int __shared;
+  unsigned long int __pad1;
+  unsigned long int __pad2;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned int __flags;
+# else
+# if __BYTE_ORDER == __BIG_ENDIAN
+  unsigned char __pad1;
+  unsigned char __pad2;
+  unsigned char __shared;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned char __flags;
+# else
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned char __flags;
+  unsigned char __shared;
+  unsigned char __pad1;
+  unsigned char __pad2;
+# endif
+  int __cur_writer;
+#endif
+};
+
+#if _MIPS_SIM == _ABI64
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, __flags
+#else
+# if __BYTE_ORDER == __BIG_ENDIAN
+#  define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, __flags, 0
+# else
+#  define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, __flags, 0, 0, 0, 0
+# endif
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/generic-glibc/bits/sys_errlist.h b/lib/libc/include/generic-glibc/bits/sys_errlist.h
index ed5216ef842a41fa25d15c5720fc349fe79fee1a..ae30302397d160fb85fac4a454bf296546d48bdc 100644
--- a/lib/libc/include/generic-glibc/bits/sys_errlist.h
+++ b/lib/libc/include/generic-glibc/bits/sys_errlist.h
@@ -1,5 +1,5 @@
 /* Declare sys_errlist and sys_nerr, or don't.  Compatibility (do) version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _STDIO_H
 # error "Never include <bits/sys_errlist.h> directly; use <stdio.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/syscall.h b/lib/libc/include/generic-glibc/bits/syscall.h
index 0fb3664008186f5318ea62a65a72011090e0a720..a1f9bcb30670fa54f4f4fe17a2537654aec1b7c8 100644
--- a/lib/libc/include/generic-glibc/bits/syscall.h
+++ b/lib/libc/include/generic-glibc/bits/syscall.h
@@ -1,11 +1,11 @@
 /* Generated at libc build time from syscall list.  */
-/* The system call list corresponds to kernel 5.2.  */
+/* The system call list corresponds to kernel 5.4.  */
 
 #ifndef _SYSCALL_H
 # error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."
 #endif
 
-#define __GLIBC_LINUX_VERSION_CODE 328192
+#define __GLIBC_LINUX_VERSION_CODE 328704
 
 #ifdef __NR_FAST_atomic_update
 # define SYS_FAST_atomic_update __NR_FAST_atomic_update
@@ -207,6 +207,10 @@
 # define SYS_clone2 __NR_clone2
 #endif
 
+#ifdef __NR_clone3
+# define SYS_clone3 __NR_clone3
+#endif
+
 #ifdef __NR_close
 # define SYS_close __NR_close
 #endif
@@ -1547,6 +1551,10 @@
 # define SYS_personality __NR_personality
 #endif
 
+#ifdef __NR_pidfd_open
+# define SYS_pidfd_open __NR_pidfd_open
+#endif
+
 #ifdef __NR_pidfd_send_signal
 # define SYS_pidfd_send_signal __NR_pidfd_send_signal
 #endif
diff --git a/lib/libc/include/generic-glibc/bits/syslog-ldbl.h b/lib/libc/include/generic-glibc/bits/syslog-ldbl.h
index 310c8e59148e9e724b447b13f54a732958bcc33d..8f46907befee1fbd87069dc80799d8d8a886ced5 100644
--- a/lib/libc/include/generic-glibc/bits/syslog-ldbl.h
+++ b/lib/libc/include/generic-glibc/bits/syslog-ldbl.h
@@ -1,5 +1,5 @@
 /* -mlong-double-64 compatibility mode for syslog functions.
-   Copyright (C) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SYSLOG_H
 # error "Never include <bits/syslog-ldbl.h> directly; use <sys/syslog.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/syslog-path.h b/lib/libc/include/generic-glibc/bits/syslog-path.h
index d2c7facd419ca95f4588c6d057686012b997f45b..6f733fa528421ac2af02e2402d04b54157875de0 100644
--- a/lib/libc/include/generic-glibc/bits/syslog-path.h
+++ b/lib/libc/include/generic-glibc/bits/syslog-path.h
@@ -1,5 +1,5 @@
 /* <bits/syslog-path.h> -- _PATH_LOG definition
-   Copyright (C) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SYSLOG_H
 # error "Never include this file directly.  Use <sys/syslog.h> instead"
diff --git a/lib/libc/include/generic-glibc/bits/syslog.h b/lib/libc/include/generic-glibc/bits/syslog.h
index b5d3b1253adae56fc7734417b79d868486b1e845..b36025933f5664cbced2b544ac5ccb46b43a9d0a 100644
--- a/lib/libc/include/generic-glibc/bits/syslog.h
+++ b/lib/libc/include/generic-glibc/bits/syslog.h
@@ -1,5 +1,5 @@
 /* Checking macros for syslog functions.
-   Copyright (C) 2005-2019 Free Software Foundation, Inc.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SYSLOG_H
 # error "Never include <bits/syslog.h> directly; use <sys/syslog.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/sysmacros.h b/lib/libc/include/generic-glibc/bits/sysmacros.h
index 9826bee4547c5aacd7f9c05b62ffcdac1a353906..9f8c82a7e4222cbe9004fa23855d2d71361d3edd 100644
--- a/lib/libc/include/generic-glibc/bits/sysmacros.h
+++ b/lib/libc/include/generic-glibc/bits/sysmacros.h
@@ -1,5 +1,5 @@
 /* Definitions of macros to access `dev_t' values.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SYSMACROS_H
 #define _BITS_SYSMACROS_H 1
diff --git a/lib/libc/include/generic-glibc/bits/termios-baud.h b/lib/libc/include/generic-glibc/bits/termios-baud.h
index 0a45696eb01b78a1bcd4323046a241819b2604ef..5a1af58d8d9e4bac4e8b59ec818aaad834b7dd53 100644
--- a/lib/libc/include/generic-glibc/bits/termios-baud.h
+++ b/lib/libc/include/generic-glibc/bits/termios-baud.h
@@ -1,5 +1,5 @@
 /* termios baud rate selection definitions.  Linux/generic version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-baud.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/termios-c_cc.h b/lib/libc/include/generic-glibc/bits/termios-c_cc.h
index d8989f0e57585f17adb1d979ffc28e7794d3c0d1..d3bd2f43d00e1c20a68b2f8f2af7c25541921055 100644
--- a/lib/libc/include/generic-glibc/bits/termios-c_cc.h
+++ b/lib/libc/include/generic-glibc/bits/termios-c_cc.h
@@ -1,5 +1,5 @@
 /* termios c_cc symbolic constant definitions.  Linux/generic version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios_c_cc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/termios-c_cflag.h b/lib/libc/include/generic-glibc/bits/termios-c_cflag.h
index b89364c1949040815d8eaac2d23db3c34b745758..941ce42cf1bbc56dc093d27f3f0d57885af9e426 100644
--- a/lib/libc/include/generic-glibc/bits/termios-c_cflag.h
+++ b/lib/libc/include/generic-glibc/bits/termios-c_cflag.h
@@ -1,5 +1,5 @@
 /* termios control mode definitions.  Linux/generic version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/termios-c_iflag.h b/lib/libc/include/generic-glibc/bits/termios-c_iflag.h
index 260a6991bf4f82fd4a6bf231b7b77957ebfddb8a..a5d02f772d037e67750b386981398bcde24dada2 100644
--- a/lib/libc/include/generic-glibc/bits/termios-c_iflag.h
+++ b/lib/libc/include/generic-glibc/bits/termios-c_iflag.h
@@ -1,5 +1,5 @@
 /* termios input mode definitions.  Linux/generic version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-ciflags.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/termios-c_lflag.h b/lib/libc/include/generic-glibc/bits/termios-c_lflag.h
index 7283177b37004a5103404e6120e89b21019883ca..a8f7c3013a79aba02ae2b1aae0643dc81953e470 100644
--- a/lib/libc/include/generic-glibc/bits/termios-c_lflag.h
+++ b/lib/libc/include/generic-glibc/bits/termios-c_lflag.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/generic version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_lflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/termios-c_oflag.h b/lib/libc/include/generic-glibc/bits/termios-c_oflag.h
index ea059ffb535b26eebcdf0afc61b37c2f254a2466..053d357ff4752e038015586302feb98378db8e07 100644
--- a/lib/libc/include/generic-glibc/bits/termios-c_oflag.h
+++ b/lib/libc/include/generic-glibc/bits/termios-c_oflag.h
@@ -1,5 +1,5 @@
 /* termios output mode definitions.  Linux/generic version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_oflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/termios-misc.h b/lib/libc/include/generic-glibc/bits/termios-misc.h
index cb6aa40196e65b0a43748cd9e39ee936bfd5964a..517bc6bd020de2aaf3dc621f8718add9bfd5b5ea 100644
--- a/lib/libc/include/generic-glibc/bits/termios-misc.h
+++ b/lib/libc/include/generic-glibc/bits/termios-misc.h
@@ -1,5 +1,5 @@
 /* termios baud platform specific definitions.  Linux/generic version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-misc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/termios-struct.h b/lib/libc/include/generic-glibc/bits/termios-struct.h
index d36d804deac820467aa6ac76aea54cc49634c552..9d95c8c579cf6cccc3b2defeb1f50920a3e08beb 100644
--- a/lib/libc/include/generic-glibc/bits/termios-struct.h
+++ b/lib/libc/include/generic-glibc/bits/termios-struct.h
@@ -1,5 +1,5 @@
 /* struct termios definition.  Linux/generic version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-struct.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/termios-tcflow.h b/lib/libc/include/generic-glibc/bits/termios-tcflow.h
index cff2b50ae3362b44dd5c8218aeac556091a611f7..76d26c48bf3b677c5d2dc9f93d361287ceb4df75 100644
--- a/lib/libc/include/generic-glibc/bits/termios-tcflow.h
+++ b/lib/libc/include/generic-glibc/bits/termios-tcflow.h
@@ -1,5 +1,5 @@
 /* termios tcflag symbolic contants definitions.  Linux/generic version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-tcflow.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/termios.h b/lib/libc/include/generic-glibc/bits/termios.h
index 0a7b44245ab89689ad23b0d7dd86f74acaf3468f..9dc4df22fe378392bcbc8dfc4faef2c3518edd17 100644
--- a/lib/libc/include/generic-glibc/bits/termios.h
+++ b/lib/libc/include/generic-glibc/bits/termios.h
@@ -1,5 +1,5 @@
 /* termios type and macro definitions.  Linux version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/thread-shared-types.h b/lib/libc/include/generic-glibc/bits/thread-shared-types.h
index e29c1693ebe4905dba8584039e2ceb57a7deb706..ac0c7f5370f4aed8423f52e55b292d70403794e1 100644
--- a/lib/libc/include/generic-glibc/bits/thread-shared-types.h
+++ b/lib/libc/include/generic-glibc/bits/thread-shared-types.h
@@ -1,5 +1,5 @@
 /* Common threading primitives definitions for both POSIX and C11.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _THREAD_SHARED_TYPES_H
 #define _THREAD_SHARED_TYPES_H 1
@@ -32,36 +32,6 @@
    __SIZEOF_PTHREAD_BARRIER_T     - size of pthread_barrier_t.
    __SIZEOF_PTHREAD_BARRIERATTR_T - size of pthread_barrierattr_t.
 
-   Also, the following macros must be define for internal pthread_mutex_t
-   struct definitions (struct __pthread_mutex_s):
-
-   __PTHREAD_COMPAT_PADDING_MID   - any additional members after 'kind'
-				    and before '__spin' (for 64 bits) or
-				    '__nusers' (for 32 bits).
-   __PTHREAD_COMPAT_PADDING_END   - any additional members at the end of
-				    the internal structure.
-   __PTHREAD_MUTEX_LOCK_ELISION   - 1 if the architecture supports lock
-				    elision or 0 otherwise.
-   __PTHREAD_MUTEX_NUSERS_AFTER_KIND - control where to put __nusers.  The
-				       preferred value for new architectures
-				       is 0.
-   __PTHREAD_MUTEX_USE_UNION      - control whether internal __spins and
-				    __list will be place inside a union for
-				    linuxthreads compatibility.
-				    The preferred value for new architectures
-				    is 0.
-
-   For a new port the preferred values for the required defines are:
-
-   #define __PTHREAD_COMPAT_PADDING_MID
-   #define __PTHREAD_COMPAT_PADDING_END
-   #define __PTHREAD_MUTEX_LOCK_ELISION         0
-   #define __PTHREAD_MUTEX_NUSERS_AFTER_KIND    0
-   #define __PTHREAD_MUTEX_USE_UNION            0
-
-   __PTHREAD_MUTEX_LOCK_ELISION can be set to 1 if the hardware plans to
-   eventually support lock elision using transactional memory.
-
    The additional macro defines any constraint for the lock alignment
    inside the thread structures:
 
@@ -69,101 +39,52 @@
 
    Same idea but for the once locking primitive:
 
-   __ONCE_ALIGNMENT - for pthread_once_t/once_flag definition.
+   __ONCE_ALIGNMENT - for pthread_once_t/once_flag definition.  */
 
-   And finally the internal pthread_rwlock_t (struct __pthread_rwlock_arch_t)
-   must be defined.
- */
 #include <bits/pthreadtypes-arch.h>
 
+
 /* Common definition of pthread_mutex_t. */
 
-#if !__PTHREAD_MUTEX_USE_UNION
 typedef struct __pthread_internal_list
 {
   struct __pthread_internal_list *__prev;
   struct __pthread_internal_list *__next;
 } __pthread_list_t;
-#else
+
 typedef struct __pthread_internal_slist
 {
   struct __pthread_internal_slist *__next;
 } __pthread_slist_t;
-#endif
 
-/* Lock elision support.  */
-#if __PTHREAD_MUTEX_LOCK_ELISION
-# if !__PTHREAD_MUTEX_USE_UNION
-#  define __PTHREAD_SPINS_DATA	\
-  short __spins;		\
-  short __elision
-#  define __PTHREAD_SPINS             0, 0
-# else
-#  define __PTHREAD_SPINS_DATA	\
-  struct			\
-  {				\
-    short __espins;		\
-    short __eelision;		\
-  } __elision_data
-#  define __PTHREAD_SPINS         { 0, 0 }
-#  define __spins __elision_data.__espins
-#  define __elision __elision_data.__eelision
-# endif
-#else
-# define __PTHREAD_SPINS_DATA int __spins
-/* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER.  */
-# define __PTHREAD_SPINS 0
-#endif
+/* Arch-specific mutex definitions.  A generic implementation is provided
+   by sysdeps/nptl/bits/struct_mutex.h.  If required, an architecture
+   can override it by defining:
 
-struct __pthread_mutex_s
-{
-  int __lock __LOCK_ALIGNMENT;
-  unsigned int __count;
-  int __owner;
-#if !__PTHREAD_MUTEX_NUSERS_AFTER_KIND
-  unsigned int __nusers;
-#endif
-  /* KIND must stay at this position in the structure to maintain
-     binary compatibility with static initializers.
+   1. struct __pthread_mutex_s (used on both pthread_mutex_t and mtx_t
+      definition).  It should contains at least the internal members
+      defined in the generic version.
 
-     Concurrency notes:
-     The __kind of a mutex is initialized either by the static
-     PTHREAD_MUTEX_INITIALIZER or by a call to pthread_mutex_init.
+   2. __LOCK_ALIGNMENT for any extra attribute for internal lock used with
+      atomic operations.
 
-     After a mutex has been initialized, the __kind of a mutex is usually not
-     changed.  BUT it can be set to -1 in pthread_mutex_destroy or elision can
-     be enabled.  This is done concurrently in the pthread_mutex_*lock functions
-     by using the macro FORCE_ELISION. This macro is only defined for
-     architectures which supports lock elision.
+   3. The macro __PTHREAD_MUTEX_INITIALIZER used for static initialization.
+      It should initialize the mutex internal flag.  */
 
-     For elision, there are the flags PTHREAD_MUTEX_ELISION_NP and
-     PTHREAD_MUTEX_NO_ELISION_NP which can be set in addition to the already set
-     type of a mutex.
-     Before a mutex is initialized, only PTHREAD_MUTEX_NO_ELISION_NP can be set
-     with pthread_mutexattr_settype.
-     After a mutex has been initialized, the functions pthread_mutex_*lock can
-     enable elision - if the mutex-type and the machine supports it - by setting
-     the flag PTHREAD_MUTEX_ELISION_NP. This is done concurrently. Afterwards
-     the lock / unlock functions are using specific elision code-paths.  */
-  int __kind;
-  __PTHREAD_COMPAT_PADDING_MID
-#if __PTHREAD_MUTEX_NUSERS_AFTER_KIND
-  unsigned int __nusers;
-#endif
-#if !__PTHREAD_MUTEX_USE_UNION
-  __PTHREAD_SPINS_DATA;
-  __pthread_list_t __list;
-# define __PTHREAD_MUTEX_HAVE_PREV      1
-#else
-  __extension__ union
-  {
-    __PTHREAD_SPINS_DATA;
-    __pthread_slist_t __list;
-  };
-# define __PTHREAD_MUTEX_HAVE_PREV      0
-#endif
-  __PTHREAD_COMPAT_PADDING_END
-};
+#include <bits/struct_mutex.h>
+
+/* Arch-sepecific read-write lock definitions.  A generic implementation is
+   provided by struct_rwlock.h.  If required, an architecture can override it
+   by defining:
+
+   1. struct __pthread_rwlock_arch_t (used on pthread_rwlock_t definition).
+      It should contain at least the internal members defined in the
+      generic version.
+
+   2. The macro __PTHREAD_RWLOCK_INITIALIZER used for static initialization.
+      It should initialize the rwlock internal type.  */
+
+#include <bits/struct_rwlock.h>
 
 
 /* Common definition of pthread_cond_t. */
diff --git a/lib/libc/include/generic-glibc/bits/time.h b/lib/libc/include/generic-glibc/bits/time.h
index d4e4b390117b85501c0f2312e2b477e00d0ca455..f26ca4c52ecd6a1209f4f107b41f527f0d2902a7 100644
--- a/lib/libc/include/generic-glibc/bits/time.h
+++ b/lib/libc/include/generic-glibc/bits/time.h
@@ -1,5 +1,5 @@
 /* System-dependent timing definitions.  Linux version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Never include this file directly; use <time.h> instead.
diff --git a/lib/libc/include/generic-glibc/bits/time64.h b/lib/libc/include/generic-glibc/bits/time64.h
index 79be9dbdd319408008da051272026022df6a3446..a985244493e18cd28132c4db2f8e571cd89e6c77 100644
--- a/lib/libc/include/generic-glibc/bits/time64.h
+++ b/lib/libc/include/generic-glibc/bits/time64.h
@@ -1,5 +1,5 @@
 /* bits/time64.h -- underlying types for __time64_t.  Generic version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/time64.h> directly; use <sys/types.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/timerfd.h b/lib/libc/include/generic-glibc/bits/timerfd.h
index 5c765a54eb790cd5683ef3b8753f8d457227ca0c..56def31a3f6c98b7d392aa90bd5ad9d273b550ab 100644
--- a/lib/libc/include/generic-glibc/bits/timerfd.h
+++ b/lib/libc/include/generic-glibc/bits/timerfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_TIMERFD_H
 # error "Never use <bits/timerfd.h> directly; include <sys/timerfd.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/timesize.h b/lib/libc/include/generic-glibc/bits/timesize.h
index 87ca919823ec2fa811d1ce1c10b4c538480c69c5..5260dbb5aaf5bb5dc305376e3ddba3da99883923 100644
--- a/lib/libc/include/generic-glibc/bits/timesize.h
+++ b/lib/libc/include/generic-glibc/bits/timesize.h
@@ -1,5 +1,5 @@
 /* Bit size of the time_t type at glibc build time, general case.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <bits/wordsize.h>
 
diff --git a/lib/libc/include/generic-glibc/bits/timex.h b/lib/libc/include/generic-glibc/bits/timex.h
index d6b311bd6666ed2528992086ce0c7d74a2d818cf..2eadd1de42fc5b9ff0a0ce24774df2fb044b1214 100644
--- a/lib/libc/include/generic-glibc/bits/timex.h
+++ b/lib/libc/include/generic-glibc/bits/timex.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_BITS_TIMEX_H
 #define	_BITS_TIMEX_H	1
diff --git a/lib/libc/include/generic-glibc/bits/types.h b/lib/libc/include/generic-glibc/bits/types.h
index 3548ed5a4acad1a8d16ecdd8bff7f68227785e4f..26fbc0be6711cea79baeb5ea89e97a6188b81c4e 100644
--- a/lib/libc/include/generic-glibc/bits/types.h
+++ b/lib/libc/include/generic-glibc/bits/types.h
@@ -1,5 +1,5 @@
 /* bits/types.h -- definitions of __*_t types underlying *_t types.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Never include this file directly; use <sys/types.h> instead.
diff --git a/lib/libc/include/generic-glibc/bits/types/__locale_t.h b/lib/libc/include/generic-glibc/bits/types/__locale_t.h
index e10c17ea450500ab24fc70b0963383d55fc81672..32601b19063259c350fd7de88bee4919406092e9 100644
--- a/lib/libc/include/generic-glibc/bits/types/__locale_t.h
+++ b/lib/libc/include/generic-glibc/bits/types/__locale_t.h
@@ -1,5 +1,5 @@
 /* Definition of struct __locale_struct and __locale_t.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES___LOCALE_T_H
 #define _BITS_TYPES___LOCALE_T_H 1
diff --git a/lib/libc/include/generic-glibc/bits/types/__sigval_t.h b/lib/libc/include/generic-glibc/bits/types/__sigval_t.h
index 41dbe901697c84ddf2b57826a6011a03a981ae59..514e46667ba2f00b9ec4b87d7e8ae0b8944f1ce5 100644
--- a/lib/libc/include/generic-glibc/bits/types/__sigval_t.h
+++ b/lib/libc/include/generic-glibc/bits/types/__sigval_t.h
@@ -1,5 +1,5 @@
 /* Define __sigval_t.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef ____sigval_t_defined
 #define ____sigval_t_defined
diff --git a/lib/libc/include/generic-glibc/bits/types/cookie_io_functions_t.h b/lib/libc/include/generic-glibc/bits/types/cookie_io_functions_t.h
index 347ed487cfc9d81fcee451551459a58276b4c647..e96dd46f5e490d339172ec360b4ff9376aecd7fa 100644
--- a/lib/libc/include/generic-glibc/bits/types/cookie_io_functions_t.h
+++ b/lib/libc/include/generic-glibc/bits/types/cookie_io_functions_t.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __cookie_io_functions_t_defined
 #define __cookie_io_functions_t_defined 1
diff --git a/lib/libc/include/generic-glibc/bits/types/error_t.h b/lib/libc/include/generic-glibc/bits/types/error_t.h
index 8fcce919c112a9e5ead1ffbc3b695b923a17855d..ddf3d52bd3932a48947c12f6018a4d0b390d7fb2 100644
--- a/lib/libc/include/generic-glibc/bits/types/error_t.h
+++ b/lib/libc/include/generic-glibc/bits/types/error_t.h
@@ -1,5 +1,5 @@
 /* Define error_t.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __error_t_defined
 # define __error_t_defined 1
diff --git a/lib/libc/include/generic-glibc/bits/types/locale_t.h b/lib/libc/include/generic-glibc/bits/types/locale_t.h
index a73720ca8cbdccaf32a1f1efc4de9ec06253b82e..8e89ef26ab07fa4c338a14a2f0ca45d8181b1598 100644
--- a/lib/libc/include/generic-glibc/bits/types/locale_t.h
+++ b/lib/libc/include/generic-glibc/bits/types/locale_t.h
@@ -1,5 +1,5 @@
 /* Definition of locale_t.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_LOCALE_T_H
 #define _BITS_TYPES_LOCALE_T_H 1
diff --git a/lib/libc/include/generic-glibc/bits/types/stack_t.h b/lib/libc/include/generic-glibc/bits/types/stack_t.h
index b41fefd5c9caf12724e7a89a976b4275f3bc7146..884afcf179f76b36c4064a75ca495104a0e197df 100644
--- a/lib/libc/include/generic-glibc/bits/types/stack_t.h
+++ b/lib/libc/include/generic-glibc/bits/types/stack_t.h
@@ -1,5 +1,5 @@
 /* Define stack_t.  Linux version.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __stack_t_defined
 #define __stack_t_defined 1
diff --git a/lib/libc/include/generic-glibc/bits/types/struct_FILE.h b/lib/libc/include/generic-glibc/bits/types/struct_FILE.h
index 88d164686f03f8469a953bb52769052d7d82b551..57103e93d91e5c4d7cfa4c23deeeb220801c81d9 100644
--- a/lib/libc/include/generic-glibc/bits/types/struct_FILE.h
+++ b/lib/libc/include/generic-glibc/bits/types/struct_FILE.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __struct_FILE_defined
 #define __struct_FILE_defined 1
diff --git a/lib/libc/include/generic-glibc/bits/types/struct_iovec.h b/lib/libc/include/generic-glibc/bits/types/struct_iovec.h
index a3937da5e3f393f800af77925f5782a3e1f6d03d..4eff4361ac3f30a8b244c78a3f8f8c42244366bb 100644
--- a/lib/libc/include/generic-glibc/bits/types/struct_iovec.h
+++ b/lib/libc/include/generic-glibc/bits/types/struct_iovec.h
@@ -1,5 +1,5 @@
 /* Define struct iovec.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __iovec_defined
 #define __iovec_defined 1
diff --git a/lib/libc/include/generic-glibc/bits/types/struct_rusage.h b/lib/libc/include/generic-glibc/bits/types/struct_rusage.h
index 9abe8f8d3034a0e212a1910f1bdfcb35a4254368..2f221efc93525f517d9e41525406ed4bacc1b3bc 100644
--- a/lib/libc/include/generic-glibc/bits/types/struct_rusage.h
+++ b/lib/libc/include/generic-glibc/bits/types/struct_rusage.h
@@ -1,5 +1,5 @@
 /* Define struct rusage.
-   Copyright (C) 1994-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __rusage_defined
 #define __rusage_defined 1
diff --git a/lib/libc/include/generic-glibc/bits/types/struct_sched_param.h b/lib/libc/include/generic-glibc/bits/types/struct_sched_param.h
index 3f933d7fedd9e24aa2586388bfbc2168cbe563d4..4bb70691dc1cc5366de0d0c67f81d38b200b466d 100644
--- a/lib/libc/include/generic-glibc/bits/types/struct_sched_param.h
+++ b/lib/libc/include/generic-glibc/bits/types/struct_sched_param.h
@@ -1,5 +1,5 @@
 /* Sched parameter structure.  Generic version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library;  if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_STRUCT_SCHED_PARAM
 #define _BITS_TYPES_STRUCT_SCHED_PARAM 1
diff --git a/lib/libc/include/generic-glibc/bits/types/struct_sigstack.h b/lib/libc/include/generic-glibc/bits/types/struct_sigstack.h
index dce240f43563e9580c869a5778276f68cf043269..ae11f9aa6ab539f043cb8cab7baefefe9c30b01d 100644
--- a/lib/libc/include/generic-glibc/bits/types/struct_sigstack.h
+++ b/lib/libc/include/generic-glibc/bits/types/struct_sigstack.h
@@ -1,5 +1,5 @@
 /* Define struct sigstack.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __sigstack_defined
 #define __sigstack_defined 1
diff --git a/lib/libc/include/generic-glibc/bits/types/struct_statx.h b/lib/libc/include/generic-glibc/bits/types/struct_statx.h
index 52ae740099641daba56251c7b027de585a7168e5..37e91e85ecb50c7a01a0f5c3cc4993684faa8e78 100644
--- a/lib/libc/include/generic-glibc/bits/types/struct_statx.h
+++ b/lib/libc/include/generic-glibc/bits/types/struct_statx.h
@@ -1,5 +1,5 @@
 /* Definition of the generic version of struct statx.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_STAT_H
 # error Never include <bits/types/struct_statx.h> directly, include <sys/stat.h> instead.
diff --git a/lib/libc/include/generic-glibc/bits/types/struct_statx_timestamp.h b/lib/libc/include/generic-glibc/bits/types/struct_statx_timestamp.h
index 786c2b5f9bbbfb910ab481f8a2247ddffc0d2b71..129078d44aba0594b88ac617f7bb69194df09a2c 100644
--- a/lib/libc/include/generic-glibc/bits/types/struct_statx_timestamp.h
+++ b/lib/libc/include/generic-glibc/bits/types/struct_statx_timestamp.h
@@ -1,5 +1,5 @@
 /* Definition of the generic version of struct statx_timestamp.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_STAT_H
 # error Never include <bits/types/struct_statx_timestamp.h> directly, include <sys/stat.h> instead.
diff --git a/lib/libc/include/generic-glibc/bits/types/struct_timespec.h b/lib/libc/include/generic-glibc/bits/types/struct_timespec.h
index 549169d773380aa1aed139b14b337bf6c87aaf71..3df95ada114b10d2fb7aeea9dc2da72c884e1ec6 100644
--- a/lib/libc/include/generic-glibc/bits/types/struct_timespec.h
+++ b/lib/libc/include/generic-glibc/bits/types/struct_timespec.h
@@ -3,13 +3,26 @@
 #define _STRUCT_TIMESPEC 1
 
 #include <bits/types.h>
+#include <bits/endian.h>
 
 /* POSIX.1b structure for a time value.  This is like a `struct timeval' but
    has nanoseconds instead of microseconds.  */
 struct timespec
 {
   __time_t tv_sec;		/* Seconds.  */
+#if __WORDSIZE == 64 \
+  || (defined __SYSCALL_WORDSIZE && __SYSCALL_WORDSIZE == 64) \
+  || __TIMESIZE == 32
   __syscall_slong_t tv_nsec;	/* Nanoseconds.  */
+#else
+# if __BYTE_ORDER == __BIG_ENDIAN
+  int: 32;           /* Padding.  */
+  long int tv_nsec;  /* Nanoseconds.  */
+# else
+  long int tv_nsec;  /* Nanoseconds.  */
+  int: 32;           /* Padding.  */
+# endif
+#endif
 };
 
 #endif
\ No newline at end of file
diff --git a/lib/libc/include/generic-glibc/bits/typesizes.h b/lib/libc/include/generic-glibc/bits/typesizes.h
index 3b148774388707695725ece6f2cff6c8a23cf06b..571d285ea02dfd234e7fe6a1b7aa7f0719bd4694 100644
--- a/lib/libc/include/generic-glibc/bits/typesizes.h
+++ b/lib/libc/include/generic-glibc/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Generic version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -72,8 +72,13 @@
 
 /* And for rlim_t and rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
+
+# define __STATFS_MATCHES_STATFS64  0
 #endif
 
 /* Number of descriptors that can fit in an `fd_set'.  */
diff --git a/lib/libc/include/generic-glibc/bits/uintn-identity.h b/lib/libc/include/generic-glibc/bits/uintn-identity.h
index dab940a94d4a8e8a50ffc653135eccffd2bf3b2c..c5fa8c5a1350603a5e03635ec04b7134b6339c40 100644
--- a/lib/libc/include/generic-glibc/bits/uintn-identity.h
+++ b/lib/libc/include/generic-glibc/bits/uintn-identity.h
@@ -1,5 +1,5 @@
 /* Inline functions to return unsigned integer values unchanged.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _NETINET_IN_H && !defined _ENDIAN_H
 # error "Never use <bits/uintn-identity.h> directly; include <netinet/in.h> or <endian.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/uio-ext.h b/lib/libc/include/generic-glibc/bits/uio-ext.h
index da9a4971b58dcd7181ec07461c1668b8d2bdef4b..5bac34c7cb220b8782a9bb7106cf4e53a2beb987 100644
--- a/lib/libc/include/generic-glibc/bits/uio-ext.h
+++ b/lib/libc/include/generic-glibc/bits/uio-ext.h
@@ -1,5 +1,5 @@
 /* Operating system-specific extensions to sys/uio.h - Linux version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_UIO_EXT_H
 #define _BITS_UIO_EXT_H 1
diff --git a/lib/libc/include/generic-glibc/bits/uio_lim.h b/lib/libc/include/generic-glibc/bits/uio_lim.h
index b725c44f7b137cf738775489f14712e3f16a362f..52da2737ea11552ae63f9c7016320299d68ba007 100644
--- a/lib/libc/include/generic-glibc/bits/uio_lim.h
+++ b/lib/libc/include/generic-glibc/bits/uio_lim.h
@@ -1,5 +1,5 @@
 /* Implementation limits related to sys/uio.h - Linux version.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_UIO_LIM_H
 #define _BITS_UIO_LIM_H 1
diff --git a/lib/libc/include/generic-glibc/bits/unistd.h b/lib/libc/include/generic-glibc/bits/unistd.h
index 45fa1d6a8a5c170ec57365f0f40038e4ba5e8aec..9cad6847f91d2dbba9d7ab6baa60d054357c1b4a 100644
--- a/lib/libc/include/generic-glibc/bits/unistd.h
+++ b/lib/libc/include/generic-glibc/bits/unistd.h
@@ -1,5 +1,5 @@
 /* Checking macros for unistd functions.
-   Copyright (C) 2005-2019 Free Software Foundation, Inc.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UNISTD_H
 # error "Never include <bits/unistd.h> directly; use <unistd.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/unistd_ext.h b/lib/libc/include/generic-glibc/bits/unistd_ext.h
index 4ce5a98207c52c7d8a95cbc07bd09172e841d034..ab15da337a4f0e2f9d6c2ed9eb1226762be14408 100644
--- a/lib/libc/include/generic-glibc/bits/unistd_ext.h
+++ b/lib/libc/include/generic-glibc/bits/unistd_ext.h
@@ -1,5 +1,5 @@
 /* System-specific extensions of <unistd.h>, Linux version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UNISTD_H
 # error "Never include <bits/unistd_ext.h> directly; use <unistd.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/utmp.h b/lib/libc/include/generic-glibc/bits/utmp.h
index ee3a0dfc43a334554621d53dbc81605b433ccbf3..afb073a7c07f51ad533426b4a0017fb755a08379 100644
--- a/lib/libc/include/generic-glibc/bits/utmp.h
+++ b/lib/libc/include/generic-glibc/bits/utmp.h
@@ -1,5 +1,5 @@
-/* The `struct utmp' type, describing entries in the utmp file.  GNU version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+/* The `struct utmp' type, describing entries in the utmp file.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UTMP_H
 # error "Never include <bits/utmp.h> directly; use <utmp.h> instead."
@@ -61,7 +61,8 @@ struct utmp
   pid_t ut_pid;			/* Process ID of login process.  */
   char ut_line[UT_LINESIZE]
     __attribute_nonstring__;	/* Devicename.  */
-  char ut_id[4];		/* Inittab ID.  */
+  char ut_id[4]
+    __attribute_nonstring__;	/* Inittab ID.  */
   char ut_user[UT_NAMESIZE]
     __attribute_nonstring__;	/* Username.  */
   char ut_host[UT_HOSTSIZE]
diff --git a/lib/libc/include/generic-glibc/bits/utmpx.h b/lib/libc/include/generic-glibc/bits/utmpx.h
index bb8a11ee1253c7c05a159670945e0140fc9c7cfa..84f0ed6ae44e9750cf64f2c1c4dc988fc2f5f32b 100644
--- a/lib/libc/include/generic-glibc/bits/utmpx.h
+++ b/lib/libc/include/generic-glibc/bits/utmpx.h
@@ -1,5 +1,5 @@
 /* Structures and definitions for the user accounting database.  GNU version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UTMPX_H
 # error "Never include <bits/utmpx.h> directly; use <utmpx.h> instead."
@@ -56,10 +56,14 @@ struct utmpx
 {
   short int ut_type;		/* Type of login.  */
   __pid_t ut_pid;		/* Process ID of login process.  */
-  char ut_line[__UT_LINESIZE];	/* Devicename.  */
-  char ut_id[4];		/* Inittab ID. */
-  char ut_user[__UT_NAMESIZE];	/* Username.  */
-  char ut_host[__UT_HOSTSIZE];	/* Hostname for remote login.  */
+  char ut_line[__UT_LINESIZE]
+    __attribute_nonstring__;	/* Devicename.  */
+  char ut_id[4]
+    __attribute_nonstring__;	/* Inittab ID.  */
+  char ut_user[__UT_NAMESIZE]
+    __attribute_nonstring__;	/* Username.  */
+  char ut_host[__UT_HOSTSIZE]
+    __attribute_nonstring__;	/* Hostname for remote login.  */
   struct __exit_status ut_exit;	/* Exit status of a process marked
 				   as DEAD_PROCESS.  */
 
diff --git a/lib/libc/include/generic-glibc/bits/utsname.h b/lib/libc/include/generic-glibc/bits/utsname.h
index 03d6b3d7d955e14f60eac86fce42930c46b97378..9aec7b5b0b2fc83fd6595f622aee2a0195b768ad 100644
--- a/lib/libc/include/generic-glibc/bits/utsname.h
+++ b/lib/libc/include/generic-glibc/bits/utsname.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_UTSNAME_H
 # error "Never include <bits/utsname.h> directly; use <sys/utsname.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/waitflags.h b/lib/libc/include/generic-glibc/bits/waitflags.h
index d7a8d1558f9333d672103032ef9173efdbecd427..8df47ef1f4c5618f89fcd32a38104d3438dfb1e5 100644
--- a/lib/libc/include/generic-glibc/bits/waitflags.h
+++ b/lib/libc/include/generic-glibc/bits/waitflags.h
@@ -1,5 +1,5 @@
 /* Definitions of flag bits for `waitpid' et al.
-   Copyright (C) 1992-2019 Free Software Foundation, Inc.
+   Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_WAIT_H && !defined _STDLIB_H
 # error "Never include <bits/waitflags.h> directly; use <sys/wait.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/waitstatus.h b/lib/libc/include/generic-glibc/bits/waitstatus.h
index c85b9ea5fbffe3676d48db1ef4b8bfee4d700644..8d5cd9fa898bb3791b6f024d0276478b225324ff 100644
--- a/lib/libc/include/generic-glibc/bits/waitstatus.h
+++ b/lib/libc/include/generic-glibc/bits/waitstatus.h
@@ -1,5 +1,5 @@
 /* Definitions of status bits for `wait' et al.
-   Copyright (C) 1992-2019 Free Software Foundation, Inc.
+   Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_WAIT_H && !defined _STDLIB_H
 # error "Never include <bits/waitstatus.h> directly; use <sys/wait.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/wchar-ldbl.h b/lib/libc/include/generic-glibc/bits/wchar-ldbl.h
index cf6cdcfc91f97eed2e39b0a5d294b210dcca4f6a..3ded0fb11ce9b736dd22cf77f98779f43e26e798 100644
--- a/lib/libc/include/generic-glibc/bits/wchar-ldbl.h
+++ b/lib/libc/include/generic-glibc/bits/wchar-ldbl.h
@@ -1,5 +1,5 @@
 /* -mlong-double-64 compatibility mode for <wchar.h> functions.
-   Copyright (C) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _WCHAR_H
 # error "Never include <bits/wchar-ldbl.h> directly; use <wchar.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/wchar.h b/lib/libc/include/generic-glibc/bits/wchar.h
index 214cd83b48fce1d1f241ad65c2870118a4ae1f0d..19a6b96a2e3fb4f31c4facb4097e8d51cfc29998 100644
--- a/lib/libc/include/generic-glibc/bits/wchar.h
+++ b/lib/libc/include/generic-glibc/bits/wchar.h
@@ -1,5 +1,5 @@
 /* wchar_t type related definitions.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_WCHAR_H
 #define _BITS_WCHAR_H	1
diff --git a/lib/libc/include/generic-glibc/bits/wchar2.h b/lib/libc/include/generic-glibc/bits/wchar2.h
index fc915e5cd0f4b62c947b69c5e2bea6d001795eb5..c3d697534243569c9f6f133917e2fbde20fd7129 100644
--- a/lib/libc/include/generic-glibc/bits/wchar2.h
+++ b/lib/libc/include/generic-glibc/bits/wchar2.h
@@ -1,5 +1,5 @@
 /* Checking macros for wchar functions.
-   Copyright (C) 2005-2019 Free Software Foundation, Inc.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _WCHAR_H
 # error "Never include <bits/wchar2.h> directly; use <wchar.h> instead."
diff --git a/lib/libc/include/generic-glibc/bits/wctype-wchar.h b/lib/libc/include/generic-glibc/bits/wctype-wchar.h
index 78ccf69a0eaf9cacf774cc5c2b9bef06e518fac0..90f392726514e60947bcf8dd089914788cdd172c 100644
--- a/lib/libc/include/generic-glibc/bits/wctype-wchar.h
+++ b/lib/libc/include/generic-glibc/bits/wctype-wchar.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.25
@@ -42,7 +42,7 @@ typedef unsigned long int wctype_t;
    endian).  We define the bit value interpretations here dependent on the
    machine's byte order.  */
 
-#  include <endian.h>
+#  include <bits/endian.h>
 #  if __BYTE_ORDER == __BIG_ENDIAN
 #   define _ISwbit(bit)	(1 << (bit))
 #  else /* __BYTE_ORDER == __LITTLE_ENDIAN */
diff --git a/lib/libc/include/generic-glibc/bits/wordsize.h b/lib/libc/include/generic-glibc/bits/wordsize.h
index 5ac68ef99477ab1a2c0b7afe12bc247402ee3c81..d5ed6b4522ff86026d80989536622235263d10c1 100644
--- a/lib/libc/include/generic-glibc/bits/wordsize.h
+++ b/lib/libc/include/generic-glibc/bits/wordsize.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sgidefs.h>
 
diff --git a/lib/libc/include/generic-glibc/bits/xopen_lim.h b/lib/libc/include/generic-glibc/bits/xopen_lim.h
index bfb27a3b586fb45f900bed8deb48afab1eee0615..b3d0958bbd052f2bc3bba4425746f93569356d54 100644
--- a/lib/libc/include/generic-glibc/bits/xopen_lim.h
+++ b/lib/libc/include/generic-glibc/bits/xopen_lim.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Never include this file directly; use <limits.h> instead.
diff --git a/lib/libc/include/generic-glibc/byteswap.h b/lib/libc/include/generic-glibc/byteswap.h
index c34d216f83639db6b9b617ed06d103aad3aa1e15..ab236221f2b9efb1300e1736dc252c47bc1ff7a8 100644
--- a/lib/libc/include/generic-glibc/byteswap.h
+++ b/lib/libc/include/generic-glibc/byteswap.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BYTESWAP_H
 #define _BYTESWAP_H	1
diff --git a/lib/libc/include/generic-glibc/complex.h b/lib/libc/include/generic-glibc/complex.h
index ab0298b79885c0b86c0375dd7422ac33da1146bb..3a3de87d1ec15afd23bf06ac312b0c5b022e8876 100644
--- a/lib/libc/include/generic-glibc/complex.h
+++ b/lib/libc/include/generic-glibc/complex.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99:  7.3 Complex arithmetic	<complex.h>
diff --git a/lib/libc/include/generic-glibc/cpio.h b/lib/libc/include/generic-glibc/cpio.h
index 1a7ef80162260ab57aff23fcdc15aa93c6c7a647..10c1f91b8fa26e9911d5c640e54917ae8fb5473e 100644
--- a/lib/libc/include/generic-glibc/cpio.h
+++ b/lib/libc/include/generic-glibc/cpio.h
@@ -1,6 +1,6 @@
 /* Extended cpio format from POSIX.1.
    This file is part of the GNU C Library.
-   Copyright (C) 1992-2019 Free Software Foundation, Inc.
+   Copyright (C) 1992-2020 Free Software Foundation, Inc.
    NOTE: The canonical source of this file is maintained with the GNU cpio.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _CPIO_H
 #define _CPIO_H 1
diff --git a/lib/libc/include/generic-glibc/crypt.h b/lib/libc/include/generic-glibc/crypt.h
index 941ab7f2de8c1668c0b75ca6f161e339243364b3..a2e9f114328edf5ae8e6b3647e865160a69fa3a6 100644
--- a/lib/libc/include/generic-glibc/crypt.h
+++ b/lib/libc/include/generic-glibc/crypt.h
@@ -1,7 +1,7 @@
 /*
  * UFC-crypt: ultra fast crypt(3) implementation
  *
- * Copyright (C) 1991-2019 Free Software Foundation, Inc.
+ * Copyright (C) 1991-2020 Free Software Foundation, Inc.
  *
  * The GNU C Library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with the GNU C Library; if not, see
- * <http://www.gnu.org/licenses/>.
+ * <https://www.gnu.org/licenses/>.
  *
  * @(#)crypt.h	1.5 12/20/96
  *
diff --git a/lib/libc/include/generic-glibc/ctype.h b/lib/libc/include/generic-glibc/ctype.h
index 2f6b7e1c3d4c999fbe466f6d0ab6df819a292e76..47e7d3a9c3a8401aaac425ddabbcd32746013b23 100644
--- a/lib/libc/include/generic-glibc/ctype.h
+++ b/lib/libc/include/generic-glibc/ctype.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard 7.4: Character handling	<ctype.h>
@@ -36,7 +36,7 @@ __BEGIN_DECLS
    endian).  We define the bit value interpretations here dependent on the
    machine's byte order.  */
 
-# include <endian.h>
+# include <bits/endian.h>
 # if __BYTE_ORDER == __BIG_ENDIAN
 #  define _ISbit(bit)	(1 << (bit))
 # else /* __BYTE_ORDER == __LITTLE_ENDIAN */
diff --git a/lib/libc/include/generic-glibc/dirent.h b/lib/libc/include/generic-glibc/dirent.h
index a74737d55c17afe5d6797ddddc22fb5335a02802..749982ada9a701c52621863ad1ab4c4946bb4fa9 100644
--- a/lib/libc/include/generic-glibc/dirent.h
+++ b/lib/libc/include/generic-glibc/dirent.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 5.1.2 Directory Operations	<dirent.h>
diff --git a/lib/libc/include/generic-glibc/dlfcn.h b/lib/libc/include/generic-glibc/dlfcn.h
index 8fb19d4cb38e99dea1aa8ace5f28a657b5743dd5..8154e47d1afd240d5c178bce9c6fe26bd3e36b47 100644
--- a/lib/libc/include/generic-glibc/dlfcn.h
+++ b/lib/libc/include/generic-glibc/dlfcn.h
@@ -1,5 +1,5 @@
 /* User functions for run-time dynamic loading.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_DLFCN_H
 #define	_DLFCN_H 1
diff --git a/lib/libc/include/generic-glibc/elf.h b/lib/libc/include/generic-glibc/elf.h
index 70a52f4318bb8a13e7002cdc38f39715138449f8..de9cf6e57a5b2a0e1a04e79b9a622fa47472821d 100644
--- a/lib/libc/include/generic-glibc/elf.h
+++ b/lib/libc/include/generic-glibc/elf.h
@@ -1,5 +1,5 @@
 /* This file defines standard ELF types, structures, and macros.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _ELF_H
 #define	_ELF_H 1
@@ -1715,6 +1715,7 @@ typedef struct
 #define SHT_MIPS_EH_REGION	0x70000027
 #define SHT_MIPS_XLATE_OLD	0x70000028
 #define SHT_MIPS_PDR_EXCEPTION	0x70000029
+#define SHT_MIPS_XHASH		0x7000002b
 
 /* Legal values for sh_flags field of Elf32_Shdr.  */
 
@@ -1962,7 +1963,9 @@ typedef struct
    in a PIE as it stores a relative offset from the address of the tag
    rather than an absolute address.  */
 #define DT_MIPS_RLD_MAP_REL  0x70000035
-#define DT_MIPS_NUM	     0x36
+/* GNU-style hash table with xlat.  */
+#define DT_MIPS_XHASH	     0x70000036
+#define DT_MIPS_NUM	     0x37
 
 /* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry.  */
 
diff --git a/lib/libc/include/generic-glibc/endian.h b/lib/libc/include/generic-glibc/endian.h
index ab72a4ec09a9a72f31e3d50cad1222847a8327fe..efc23f0df5fa1c152b213b97d48ee71f5c3e6dec 100644
--- a/lib/libc/include/generic-glibc/endian.h
+++ b/lib/libc/include/generic-glibc/endian.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,48 +13,23 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_ENDIAN_H
 #define	_ENDIAN_H	1
 
 #include <features.h>
 
-/* Definitions for byte order, according to significance of bytes,
-   from low addresses to high addresses.  The value is what you get by
-   putting '4' in the most significant byte, '3' in the second most
-   significant byte, '2' in the second least significant byte, and '1'
-   in the least significant byte, and then writing down one digit for
-   each byte, starting with the byte at the lowest address at the left,
-   and proceeding to the byte with the highest address at the right.  */
-
-#define	__LITTLE_ENDIAN	1234
-#define	__BIG_ENDIAN	4321
-#define	__PDP_ENDIAN	3412
-
-/* This file defines `__BYTE_ORDER' for the particular machine.  */
+/* Get the definitions of __*_ENDIAN, __BYTE_ORDER, and __FLOAT_WORD_ORDER.  */
 #include <bits/endian.h>
 
-/* Some machines may need to use a different endianness for floating point
-   values.  */
-#ifndef __FLOAT_WORD_ORDER
-# define __FLOAT_WORD_ORDER __BYTE_ORDER
-#endif
-
-#ifdef	__USE_MISC
+#ifdef __USE_MISC
 # define LITTLE_ENDIAN	__LITTLE_ENDIAN
 # define BIG_ENDIAN	__BIG_ENDIAN
 # define PDP_ENDIAN	__PDP_ENDIAN
 # define BYTE_ORDER	__BYTE_ORDER
 #endif
 
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-# define __LONG_LONG_PAIR(HI, LO) LO, HI
-#elif __BYTE_ORDER == __BIG_ENDIAN
-# define __LONG_LONG_PAIR(HI, LO) HI, LO
-#endif
-
-
 #if defined __USE_MISC && !defined __ASSEMBLER__
 /* Conversion interfaces.  */
 # include <bits/byteswap.h>
diff --git a/lib/libc/include/generic-glibc/envz.h b/lib/libc/include/generic-glibc/envz.h
index 8d885acf1eae6b3c097956b531a5934f29dd8eab..6f4e67063f4136bc68a44d40f7dc341a07058176 100644
--- a/lib/libc/include/generic-glibc/envz.h
+++ b/lib/libc/include/generic-glibc/envz.h
@@ -1,5 +1,5 @@
 /* Routines for dealing with '\0' separated environment vectors
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _ENVZ_H
 #define _ENVZ_H	1
diff --git a/lib/libc/include/generic-glibc/err.h b/lib/libc/include/generic-glibc/err.h
index 230d69151a89228bd68f4addea5ba1e382810670..90cb0607340408946a5e301cf809ccc668c94a94 100644
--- a/lib/libc/include/generic-glibc/err.h
+++ b/lib/libc/include/generic-glibc/err.h
@@ -1,5 +1,5 @@
 /* 4.4BSD utility functions for error messages.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_ERR_H
 #define	_ERR_H	1
diff --git a/lib/libc/include/generic-glibc/errno.h b/lib/libc/include/generic-glibc/errno.h
index 38e844ad1c266ba918c33a762d98085ee0fff4b0..203c04a9a0ba557fbe44d9f6d8cbda9992657848 100644
--- a/lib/libc/include/generic-glibc/errno.h
+++ b/lib/libc/include/generic-glibc/errno.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.5 Errors	<errno.h>
diff --git a/lib/libc/include/generic-glibc/error.h b/lib/libc/include/generic-glibc/error.h
index 4762169d11c4a0d2fecfc27b527c23b250088581..fa22157daf0bf7cee3d05425af078cd8db932309 100644
--- a/lib/libc/include/generic-glibc/error.h
+++ b/lib/libc/include/generic-glibc/error.h
@@ -1,5 +1,5 @@
 /* Declaration for error-reporting function
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _ERROR_H
 #define _ERROR_H 1
diff --git a/lib/libc/include/generic-glibc/execinfo.h b/lib/libc/include/generic-glibc/execinfo.h
index 84ed135d298bf7f7217d8c9f99f5b6e2a31774e5..47e9befbc9e5422802ce2595a4a762c11e829398 100644
--- a/lib/libc/include/generic-glibc/execinfo.h
+++ b/lib/libc/include/generic-glibc/execinfo.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _EXECINFO_H
 #define _EXECINFO_H 1
diff --git a/lib/libc/include/generic-glibc/fcntl.h b/lib/libc/include/generic-glibc/fcntl.h
index 131089e8f3291ebd1ff1d0bf0b57b92cd93d2035..a1cecb55c4ba408e2c1f00f21fea8ccfeb98df34 100644
--- a/lib/libc/include/generic-glibc/fcntl.h
+++ b/lib/libc/include/generic-glibc/fcntl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 6.5 File Control Operations	<fcntl.h>
@@ -161,6 +161,7 @@ typedef __pid_t pid_t;
 #  define AT_STATX_SYNC_AS_STAT	0x0000
 #  define AT_STATX_FORCE_SYNC	0x2000
 #  define AT_STATX_DONT_SYNC	0x4000
+#  define AT_RECURSIVE		0x8000	/* Apply to the entire subtree.  */
 # endif
 # define AT_EACCESS		0x200	/* Test access permitted for
 					   effective IDs, not real IDs.  */
diff --git a/lib/libc/include/generic-glibc/features.h b/lib/libc/include/generic-glibc/features.h
index b95876b7329b1aa0ed68dee22d212451b15d1d21..21e01848faf761eb189fdb952ccbfe6957410790 100644
--- a/lib/libc/include/generic-glibc/features.h
+++ b/lib/libc/include/generic-glibc/features.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FEATURES_H
 #define	_FEATURES_H	1
@@ -24,6 +24,7 @@
    __STRICT_ANSI__	ISO Standard C.
    _ISOC99_SOURCE	Extensions to ISO C89 from ISO C99.
    _ISOC11_SOURCE	Extensions to ISO C99 from ISO C11.
+   _ISOC2X_SOURCE	Extensions to ISO C99 from ISO C2X.
    __STDC_WANT_LIB_EXT2__
 			Extensions to ISO C99 from TR 27431-2:2010.
    __STDC_WANT_IEC_60559_BFP_EXT__
@@ -139,6 +140,7 @@
 #undef	__USE_GNU
 #undef	__USE_FORTIFY_LEVEL
 #undef	__KERNEL_STRICT_NAMES
+#undef	__GLIBC_USE_ISOC2X
 #undef	__GLIBC_USE_DEPRECATED_GETS
 #undef	__GLIBC_USE_DEPRECATED_SCANF
 
@@ -195,6 +197,8 @@
 # define _ISOC99_SOURCE	1
 # undef  _ISOC11_SOURCE
 # define _ISOC11_SOURCE	1
+# undef  _ISOC2X_SOURCE
+# define _ISOC2X_SOURCE	1
 # undef  _POSIX_SOURCE
 # define _POSIX_SOURCE	1
 # undef  _POSIX_C_SOURCE
@@ -216,26 +220,37 @@
 #if (defined _DEFAULT_SOURCE					\
      || (!defined __STRICT_ANSI__				\
 	 && !defined _ISOC99_SOURCE && !defined _ISOC11_SOURCE	\
+	 && !defined _ISOC2X_SOURCE				\
 	 && !defined _POSIX_SOURCE && !defined _POSIX_C_SOURCE	\
 	 && !defined _XOPEN_SOURCE))
 # undef  _DEFAULT_SOURCE
 # define _DEFAULT_SOURCE	1
 #endif
 
+/* This is to enable the ISO C2X extension.  */
+#if (defined _ISOC2X_SOURCE \
+     || (defined __STDC_VERSION__ && __STDC_VERSION__ > 201710L))
+# define __GLIBC_USE_ISOC2X	1
+#else
+# define __GLIBC_USE_ISOC2X	0
+#endif
+
 /* This is to enable the ISO C11 extension.  */
-#if (defined _ISOC11_SOURCE \
+#if (defined _ISOC11_SOURCE || defined _ISOC2X_SOURCE \
      || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 201112L))
 # define __USE_ISOC11	1
 #endif
 
 /* This is to enable the ISO C99 extension.  */
-#if (defined _ISOC99_SOURCE || defined _ISOC11_SOURCE \
+#if (defined _ISOC99_SOURCE || defined _ISOC11_SOURCE			\
+     || defined _ISOC2X_SOURCE						\
      || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L))
 # define __USE_ISOC99	1
 #endif
 
 /* This is to enable the ISO C90 Amendment 1:1995 extension.  */
-#if (defined _ISOC99_SOURCE || defined _ISOC11_SOURCE \
+#if (defined _ISOC99_SOURCE || defined _ISOC11_SOURCE			\
+     || defined _ISOC2X_SOURCE						\
      || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199409L))
 # define __USE_ISOC95	1
 #endif
@@ -439,7 +454,7 @@
 /* Major and minor version number of the GNU C library package.  Use
    these macros to test for features in specific releases.  */
 #define	__GLIBC__	2
-#define	__GLIBC_MINOR__	30
+#define	__GLIBC_MINOR__	31
 
 #define __GLIBC_PREREQ(maj, min) \
 	((__GLIBC__ << 16) + __GLIBC_MINOR__ >= ((maj) << 16) + (min))
diff --git a/lib/libc/include/generic-glibc/fenv.h b/lib/libc/include/generic-glibc/fenv.h
index 7d402ffd2ecb7217d40fabf3b08781136c1c17b8..0df8e06d17eed0352d2b243f72bccb289116a94d 100644
--- a/lib/libc/include/generic-glibc/fenv.h
+++ b/lib/libc/include/generic-glibc/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * ISO C99 7.6: Floating-point environment	<fenv.h>
@@ -77,7 +77,7 @@ extern int fegetexceptflag (fexcept_t *__flagp, int __excepts) __THROW;
 /* Raise the supported exceptions represented by EXCEPTS.  */
 extern int feraiseexcept (int __excepts) __THROW;
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Set the supported exception flags represented by EXCEPTS, without
    causing enabled traps to be taken.  */
 extern int fesetexcept (int __excepts) __THROW;
@@ -91,7 +91,7 @@ extern int fesetexceptflag (const fexcept_t *__flagp, int __excepts) __THROW;
    currently set.  */
 extern int fetestexcept (int __excepts) __THROW;
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Determine which of subset of the exceptions specified by EXCEPTS
    are set in *FLAGP.  */
 extern int fetestexceptflag (const fexcept_t *__flagp, int __excepts) __THROW;
@@ -130,7 +130,7 @@ extern int feupdateenv (const fenv_t *__envp) __THROW;
 
 /* Control modes.  */
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Store the current floating-point control modes in the object
    pointed to by MODEP.  */
 extern int fegetmode (femode_t *__modep) __THROW;
@@ -147,7 +147,7 @@ extern int fesetmode (const femode_t *__modep) __THROW;
 
 /* NaN support.  */
 
-#if (__GLIBC_USE (IEC_60559_BFP_EXT)		\
+#if (__GLIBC_USE (IEC_60559_BFP_EXT_C2X)		\
      && defined FE_INVALID			\
      && defined __SUPPORT_SNAN__)
 # define FE_SNANS_ALWAYS_SIGNAL	1
diff --git a/lib/libc/include/generic-glibc/finclude/math-vector-fortran.h b/lib/libc/include/generic-glibc/finclude/math-vector-fortran.h
index 2209132e2c1320ef71de7bec9af66428c85961f2..d348de2ba886c273e30ab501d56bedff37a132e5 100644
--- a/lib/libc/include/generic-glibc/finclude/math-vector-fortran.h
+++ b/lib/libc/include/generic-glibc/finclude/math-vector-fortran.h
@@ -1,5 +1,5 @@
 ! Platform-specific declarations of SIMD math functions for Fortran. -*- f90 -*-
-!   Copyright (C) 2019 Free Software Foundation, Inc.
+!   Copyright (C) 2019-2020 Free Software Foundation, Inc.
 !   This file is part of the GNU C Library.
 !
 !   The GNU C Library is free software; you can redistribute it and/or
@@ -14,6 +14,6 @@
 !
 !   You should have received a copy of the GNU Lesser General Public
 !   License along with the GNU C Library; if not, see
-!   <http://www.gnu.org/licenses/>.
+!   <https://www.gnu.org/licenses/>.
 
 ! No SIMD math functions are available for this platform.
\ No newline at end of file
diff --git a/lib/libc/include/generic-glibc/fmtmsg.h b/lib/libc/include/generic-glibc/fmtmsg.h
index 23a647dff527a55116f294eb199ad2b6ce47a928..d5a747857a9489fbeb55266055161f20fb629ee2 100644
--- a/lib/libc/include/generic-glibc/fmtmsg.h
+++ b/lib/libc/include/generic-glibc/fmtmsg.h
@@ -1,5 +1,5 @@
 /* Message display handling.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __FMTMSG_H
 #define __FMTMSG_H	1
diff --git a/lib/libc/include/generic-glibc/fnmatch.h b/lib/libc/include/generic-glibc/fnmatch.h
index 82be4e6d2e11725cfe26f0b836976a38cf3defd6..a3db95e9cef566006db47556891f9780fedf558c 100644
--- a/lib/libc/include/generic-glibc/fnmatch.h
+++ b/lib/libc/include/generic-glibc/fnmatch.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FNMATCH_H
 #define	_FNMATCH_H	1
diff --git a/lib/libc/include/generic-glibc/fpregdef.h b/lib/libc/include/generic-glibc/fpregdef.h
index 81d5bc90ee2cf6f0ce23708c4d95a679a15caeb5..5729b54a905eb9ed1c61f924667f4bc257391eb7 100644
--- a/lib/libc/include/generic-glibc/fpregdef.h
+++ b/lib/libc/include/generic-glibc/fpregdef.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPREGDEF_H
 #define _FPREGDEF_H
diff --git a/lib/libc/include/generic-glibc/fpu_control.h b/lib/libc/include/generic-glibc/fpu_control.h
index fd9c1247ed4e9103aa44b551698780208ca9c1e9..d5aa21113b7ed14ecb598074ecab12e4ad3950fb 100644
--- a/lib/libc/include/generic-glibc/fpu_control.h
+++ b/lib/libc/include/generic-glibc/fpu_control.h
@@ -1,7 +1,6 @@
 /* FPU control word bits.  Mips version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Olaf Flebbe and Ralf Baechle.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -15,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H
diff --git a/lib/libc/include/generic-glibc/fts.h b/lib/libc/include/generic-glibc/fts.h
index 79488cead3de23580a30c78dcbe1a5f88a19c800..3ae4e305440cbd7f918aa4f0edf2f3f91ca46c61 100644
--- a/lib/libc/include/generic-glibc/fts.h
+++ b/lib/libc/include/generic-glibc/fts.h
@@ -1,5 +1,5 @@
 /* File tree traversal functions declarations.
-   Copyright (C) 1994-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Copyright (c) 1989, 1993
diff --git a/lib/libc/include/generic-glibc/ftw.h b/lib/libc/include/generic-glibc/ftw.h
index 5bf802227019af7e45e8659f3546a6308fd0c7c7..498b96a5d095388c95eb8b32e0f7e209270870e3 100644
--- a/lib/libc/include/generic-glibc/ftw.h
+++ b/lib/libc/include/generic-glibc/ftw.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	X/Open Portability Guide 4.2: ftw.h
diff --git a/lib/libc/include/generic-glibc/gconv.h b/lib/libc/include/generic-glibc/gconv.h
index d5500cf7cadfddb8ba4c2509e7702750053d604e..0999ee4ee7e8395f2ad7d5d38b18516c19f6c8ed 100644
--- a/lib/libc/include/generic-glibc/gconv.h
+++ b/lib/libc/include/generic-glibc/gconv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This header provides no interface for a user to the internals of
    the gconv implementation in the libc.  Therefore there is no use
diff --git a/lib/libc/include/generic-glibc/getopt.h b/lib/libc/include/generic-glibc/getopt.h
index 1fdd5e98684fd12ce267fec3801397cb0be29f37..64dde19021702ea91fea1765842ea0129e1bffba 100644
--- a/lib/libc/include/generic-glibc/getopt.h
+++ b/lib/libc/include/generic-glibc/getopt.h
@@ -1,5 +1,5 @@
 /* Declarations for getopt.
-   Copyright (C) 1989-2019 Free Software Foundation, Inc.
+   Copyright (C) 1989-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Unlike the bulk of the getopt implementation, this file is NOT part
    of gnulib; gnulib also has a getopt.h but it is different.
@@ -16,7 +16,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _GETOPT_H
 #define _GETOPT_H 1
diff --git a/lib/libc/include/generic-glibc/glob.h b/lib/libc/include/generic-glibc/glob.h
index 7455af54d0cae4ebd9aeb7a6fa1fc13647c9fbe7..1de9742bc0950fbf00671b0e7638f1d757c70040 100644
--- a/lib/libc/include/generic-glibc/glob.h
+++ b/lib/libc/include/generic-glibc/glob.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_GLOB_H
 #define	_GLOB_H	1
diff --git a/lib/libc/include/generic-glibc/gnu-versions.h b/lib/libc/include/generic-glibc/gnu-versions.h
index 9a096f270a30fca3787f2d842eb9efd43b29fdc4..557411b4c23a244e9591de3e71dfa1a01ac53b3f 100644
--- a/lib/libc/include/generic-glibc/gnu-versions.h
+++ b/lib/libc/include/generic-glibc/gnu-versions.h
@@ -1,5 +1,5 @@
 /* Header with interface version macros for library pieces copied elsewhere.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _GNU_VERSIONS_H
 #define	_GNU_VERSIONS_H	1
diff --git a/lib/libc/include/generic-glibc/gnu/libc-version.h b/lib/libc/include/generic-glibc/gnu/libc-version.h
index c44452d4ac08a93f7751d9f4ca75859d8521d5ca..3b0b2c8f37ee836f6b824491a4cbe186840a754f 100644
--- a/lib/libc/include/generic-glibc/gnu/libc-version.h
+++ b/lib/libc/include/generic-glibc/gnu/libc-version.h
@@ -1,5 +1,5 @@
 /* Interface to GNU libc specific functions for version information.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _GNU_LIBC_VERSION_H
 #define	_GNU_LIBC_VERSION_H	1
diff --git a/lib/libc/include/generic-glibc/grp.h b/lib/libc/include/generic-glibc/grp.h
index 98248f0ec46e153e11f053d50122dff160f65a82..f0edfc67d968efd3b055524b8c08513e5d44a72e 100644
--- a/lib/libc/include/generic-glibc/grp.h
+++ b/lib/libc/include/generic-glibc/grp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 9.2.1 Group Database Access	<grp.h>
diff --git a/lib/libc/include/generic-glibc/gshadow.h b/lib/libc/include/generic-glibc/gshadow.h
index c193898c779af1e6b4fb42ff5187c95e649ae579..b71866ae13d049e96bf9677165b342de9fa15f16 100644
--- a/lib/libc/include/generic-glibc/gshadow.h
+++ b/lib/libc/include/generic-glibc/gshadow.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2009-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2009-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Declaration of types and functions for shadow group suite.  */
 
diff --git a/lib/libc/include/generic-glibc/iconv.h b/lib/libc/include/generic-glibc/iconv.h
index 009a0bdae24843f33ff2d12c59d830aaccf2dd7c..cec0ffd235c7cdd953dc034b858bd5f3ec56b505 100644
--- a/lib/libc/include/generic-glibc/iconv.h
+++ b/lib/libc/include/generic-glibc/iconv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _ICONV_H
 #define _ICONV_H	1
diff --git a/lib/libc/include/generic-glibc/ieee754.h b/lib/libc/include/generic-glibc/ieee754.h
index 017e197b75f6dd41652508bbd2656ba4d374a0a5..714f12c300c8901a09667b4ecd050111b8f3159f 100644
--- a/lib/libc/include/generic-glibc/ieee754.h
+++ b/lib/libc/include/generic-glibc/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,14 +13,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
diff --git a/lib/libc/include/generic-glibc/ifaddrs.h b/lib/libc/include/generic-glibc/ifaddrs.h
index 8e3d2a29bda8b9b83ed26585dedc3f1e0165b5ce..0cee010fa421ca482f4e4d9bf9138247fc5c24c2 100644
--- a/lib/libc/include/generic-glibc/ifaddrs.h
+++ b/lib/libc/include/generic-glibc/ifaddrs.h
@@ -1,5 +1,5 @@
 /* ifaddrs.h -- declarations for getting network interface addresses
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IFADDRS_H
 #define _IFADDRS_H	1
diff --git a/lib/libc/include/generic-glibc/inttypes.h b/lib/libc/include/generic-glibc/inttypes.h
index 022f6374431f51c8924b1265e8e9f66fe54803be..61b4464bb32f7a33825af110894c445ba03d357e 100644
--- a/lib/libc/include/generic-glibc/inttypes.h
+++ b/lib/libc/include/generic-glibc/inttypes.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99: 7.8 Format conversion of integer types	<inttypes.h>
diff --git a/lib/libc/include/generic-glibc/langinfo.h b/lib/libc/include/generic-glibc/langinfo.h
index 21af0ba68c951e61c9fe568dac1bd4453968426b..58136e3c87dfedce40803f904e71dd8d0948190c 100644
--- a/lib/libc/include/generic-glibc/langinfo.h
+++ b/lib/libc/include/generic-glibc/langinfo.h
@@ -1,5 +1,5 @@
 /* Access to locale-dependent parameters.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LANGINFO_H
 #define	_LANGINFO_H 1
diff --git a/lib/libc/include/generic-glibc/libgen.h b/lib/libc/include/generic-glibc/libgen.h
index 756a914c9b15c068cd7b6a7876a3ec7f21e31e3d..8cab6ad40b6d9109f8105ced8c413b7f457f3baf 100644
--- a/lib/libc/include/generic-glibc/libgen.h
+++ b/lib/libc/include/generic-glibc/libgen.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LIBGEN_H
 #define _LIBGEN_H	1
diff --git a/lib/libc/include/generic-glibc/libintl.h b/lib/libc/include/generic-glibc/libintl.h
index cd0dadb4c4c621c6c6c2ce254fd21274515efa99..ace47b01ab2d95192201e38582313f52d1b37ad4 100644
--- a/lib/libc/include/generic-glibc/libintl.h
+++ b/lib/libc/include/generic-glibc/libintl.h
@@ -1,5 +1,5 @@
 /* Message catalogs for internationalization.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    This file is derived from the file libgettext.h in the GNU gettext package.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _LIBINTL_H
 #define _LIBINTL_H	1
diff --git a/lib/libc/include/generic-glibc/limits.h b/lib/libc/include/generic-glibc/limits.h
index 5eb71cbbdec1f4eb7948fb00bd6e09f03138fb94..96ad92cc8082e7b026479c0d8dd5422f2a133279 100644
--- a/lib/libc/include/generic-glibc/limits.h
+++ b/lib/libc/include/generic-glibc/limits.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.10/5.2.4.2.1 Sizes of integer types	<limits.h>
@@ -142,7 +142,7 @@
 /* The integer width macros are not defined by GCC's <limits.h> before
    GCC 7, or if _GNU_SOURCE rather than
    __STDC_WANT_IEC_60559_BFP_EXT__ is used to enable this feature.  */
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 # ifndef CHAR_WIDTH
 #  define CHAR_WIDTH 8
 # endif
diff --git a/lib/libc/include/generic-glibc/link.h b/lib/libc/include/generic-glibc/link.h
index 90cf2730accc78e197a28f3f1636e9c72689878e..1f4e089dd6a5e99bd34f9f7483c911f2c430877d 100644
--- a/lib/libc/include/generic-glibc/link.h
+++ b/lib/libc/include/generic-glibc/link.h
@@ -1,6 +1,6 @@
 /* Data structure for communication from the run-time dynamic linker for
    loaded ELF shared objects.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 #define	_LINK_H	1
diff --git a/lib/libc/include/generic-glibc/locale.h b/lib/libc/include/generic-glibc/locale.h
index 90f1985b1105ceddf58c0ba09a5f641c48b6f498..02ef91c937821212e06e818266c341551acf4825 100644
--- a/lib/libc/include/generic-glibc/locale.h
+++ b/lib/libc/include/generic-glibc/locale.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.11 Localization	<locale.h>
diff --git a/lib/libc/include/generic-glibc/malloc.h b/lib/libc/include/generic-glibc/malloc.h
index 684e19581d79ded377ba32be267faddd7ba3eb30..ebddb55e58b5e536d66dbaec5c0429aad7fd47e4 100644
--- a/lib/libc/include/generic-glibc/malloc.h
+++ b/lib/libc/include/generic-glibc/malloc.h
@@ -1,5 +1,5 @@
 /* Prototypes and definition for malloc implementation.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MALLOC_H
 #define _MALLOC_H 1
@@ -71,8 +71,7 @@ extern void *valloc (size_t __size) __THROW __attribute_malloc__
 
 /* Equivalent to valloc(minimum-page-that-holds(n)), that is, round up
    __size to nearest pagesize. */
-extern void *pvalloc (size_t __size) __THROW __attribute_malloc__
-     __attribute_alloc_size__ ((1)) __wur;
+extern void *pvalloc (size_t __size) __THROW __attribute_malloc__ __wur;
 
 /* Underlying allocation function; successive calls should return
    contiguous pieces of memory.  */
diff --git a/lib/libc/include/generic-glibc/math.h b/lib/libc/include/generic-glibc/math.h
index a4b822ece8f4ad9257fbc2797b0b4c2691218867..9b3f2281994dbc7f4e748273ac7708ed0628271d 100644
--- a/lib/libc/include/generic-glibc/math.h
+++ b/lib/libc/include/generic-glibc/math.h
@@ -1,5 +1,5 @@
 /* Declarations for math functions.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.12 Mathematics	<math.h>
@@ -104,7 +104,7 @@ __BEGIN_DECLS
 # endif
 #endif /* __USE_ISOC99 */
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Signaling NaN macros, if supported.  */
 # if __GNUC_PREREQ (3, 3)
 #  define SNANF (__builtin_nansf (""))
@@ -200,7 +200,7 @@ typedef _Float128x double_t;
 #  define FP_ILOGBNAN	2147483647
 # endif
 #endif
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 # if __WORDSIZE == 32
 #  define __FP_LONG_MAX 0x7fffffffL
 # else
@@ -232,7 +232,7 @@ typedef _Float128x double_t;
 
 #include <bits/fp-fast.h>
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Rounding direction macros for fromfp functions.  */
 enum
   {
@@ -495,7 +495,7 @@ extern long double __REDIRECT_NTH (nexttowardl,
 #define __MATHCALL_NARROW(func, redir, nargs)	\
   __MATHCALL_NARROW_NORMAL (func, nargs)
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 
 # define _Mret_ float
 # define _Marg_ double
@@ -969,7 +969,7 @@ enum
 
 #endif /* Use ISO C99.  */
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 # include <bits/iscanonical.h>
 
 /* Return nonzero value if X is a signaling NaN.  */
@@ -1245,228 +1245,8 @@ iszero (__T __val)
 # include <bits/mathinline.h>
 #endif
 
-/* Define special entry points to use when the compiler got told to
-   only expect finite results.  */
-#if defined __FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0
 
-/* Include bits/math-finite.h for double.  */
-# define _Mdouble_ double
-# define __MATH_DECLARING_DOUBLE 1
-# define __MATH_DECLARING_FLOATN 0
-# define __REDIRFROM_X(function, reentrant) \
-  function ## reentrant
-# define __REDIRTO_X(function, reentrant) \
-   __ ## function ## reentrant ## _finite
-# include <bits/math-finite.h>
-# undef _Mdouble_
-# undef __MATH_DECLARING_DOUBLE
-# undef __MATH_DECLARING_FLOATN
-# undef __REDIRFROM_X
-# undef __REDIRTO_X
-
-/* When __USE_ISOC99 is defined, include math-finite for float and
-   long double, as well.  */
-# ifdef __USE_ISOC99
-
-/* Include bits/math-finite.h for float.  */
-#  define _Mdouble_ float
-#  define __MATH_DECLARING_DOUBLE 0
-#  define __MATH_DECLARING_FLOATN 0
-#  define __REDIRFROM_X(function, reentrant) \
-  function ## f ## reentrant
-#  define __REDIRTO_X(function, reentrant) \
-   __ ## function ## f ## reentrant ## _finite
-#  include <bits/math-finite.h>
-#  undef _Mdouble_
-#  undef __MATH_DECLARING_DOUBLE
-#  undef __MATH_DECLARING_FLOATN
-#  undef __REDIRFROM_X
-#  undef __REDIRTO_X
-
-/* Include bits/math-finite.h for long double.  */
-#  ifdef __MATH_DECLARE_LDOUBLE
-#   define _Mdouble_ long double
-#   define __MATH_DECLARING_DOUBLE 0
-#   define __MATH_DECLARING_FLOATN 0
-#   define __REDIRFROM_X(function, reentrant) \
-  function ## l ## reentrant
-#   ifdef __NO_LONG_DOUBLE_MATH
-#    define __REDIRTO_X(function, reentrant) \
-   __ ## function ## reentrant ## _finite
-#   else
-#    define __REDIRTO_X(function, reentrant) \
-   __ ## function ## l ## reentrant ## _finite
-#   endif
-#   include <bits/math-finite.h>
-#   undef _Mdouble_
-#   undef __MATH_DECLARING_DOUBLE
-#   undef __MATH_DECLARING_FLOATN
-#   undef __REDIRFROM_X
-#   undef __REDIRTO_X
-#  endif
-
-# endif /* __USE_ISOC99.  */
-
-/* Include bits/math-finite.h for _FloatN and _FloatNx.  */
-
-# if (__HAVE_DISTINCT_FLOAT16 || (__HAVE_FLOAT16 && !defined _LIBC))	\
-      && __GLIBC_USE (IEC_60559_TYPES_EXT)
-#  define _Mdouble_ _Float16
-#  define __MATH_DECLARING_DOUBLE 0
-#  define __MATH_DECLARING_FLOATN 1
-#  define __REDIRFROM_X(function, reentrant) \
-  function ## f16 ## reentrant
-#  if __HAVE_DISTINCT_FLOAT16
-#   define __REDIRTO_X(function, reentrant) \
-   __ ## function ## f16 ## reentrant ## _finite
-#  else
-#   error "non-disinct _Float16"
-#  endif
-#  include <bits/math-finite.h>
-#  undef _Mdouble_
-#  undef __MATH_DECLARING_DOUBLE
-#  undef __MATH_DECLARING_FLOATN
-#  undef __REDIRFROM_X
-#  undef __REDIRTO_X
-# endif
-
-# if (__HAVE_DISTINCT_FLOAT32 || (__HAVE_FLOAT32 && !defined _LIBC))	\
-      && __GLIBC_USE (IEC_60559_TYPES_EXT)
-#  define _Mdouble_ _Float32
-#  define __MATH_DECLARING_DOUBLE 0
-#  define __MATH_DECLARING_FLOATN 1
-#  define __REDIRFROM_X(function, reentrant) \
-  function ## f32 ## reentrant
-#  if __HAVE_DISTINCT_FLOAT32
-#   define __REDIRTO_X(function, reentrant) \
-   __ ## function ## f32 ## reentrant ## _finite
-#  else
-#   define __REDIRTO_X(function, reentrant) \
-   __ ## function ## f ## reentrant ## _finite
-#  endif
-#  include <bits/math-finite.h>
-#  undef _Mdouble_
-#  undef __MATH_DECLARING_DOUBLE
-#  undef __MATH_DECLARING_FLOATN
-#  undef __REDIRFROM_X
-#  undef __REDIRTO_X
-# endif
-
-# if (__HAVE_DISTINCT_FLOAT64 || (__HAVE_FLOAT64 && !defined _LIBC))	\
-      && __GLIBC_USE (IEC_60559_TYPES_EXT)
-#  define _Mdouble_ _Float64
-#  define __MATH_DECLARING_DOUBLE 0
-#  define __MATH_DECLARING_FLOATN 1
-#  define __REDIRFROM_X(function, reentrant) \
-  function ## f64 ## reentrant
-#  if __HAVE_DISTINCT_FLOAT64
-#   define __REDIRTO_X(function, reentrant) \
-   __ ## function ## f64 ## reentrant ## _finite
-#  else
-#   define __REDIRTO_X(function, reentrant) \
-   __ ## function ## reentrant ## _finite
-#  endif
-#  include <bits/math-finite.h>
-#  undef _Mdouble_
-#  undef __MATH_DECLARING_DOUBLE
-#  undef __MATH_DECLARING_FLOATN
-#  undef __REDIRFROM_X
-#  undef __REDIRTO_X
-# endif
-
-# if (__HAVE_DISTINCT_FLOAT128 || (__HAVE_FLOAT128 && !defined _LIBC))	\
-      && __GLIBC_USE (IEC_60559_TYPES_EXT)
-#  define _Mdouble_ _Float128
-#  define __MATH_DECLARING_DOUBLE 0
-#  define __MATH_DECLARING_FLOATN 1
-#  define __REDIRFROM_X(function, reentrant) \
-  function ## f128 ## reentrant
-#  if __HAVE_DISTINCT_FLOAT128
-#   define __REDIRTO_X(function, reentrant) \
-   __ ## function ## f128 ## reentrant ## _finite
-#  else
-#   define __REDIRTO_X(function, reentrant) \
-   __ ## function ## l ## reentrant ## _finite
-#  endif
-#  include <bits/math-finite.h>
-#  undef _Mdouble_
-#  undef __MATH_DECLARING_DOUBLE
-#  undef __MATH_DECLARING_FLOATN
-#  undef __REDIRFROM_X
-#  undef __REDIRTO_X
-# endif
-
-# if (__HAVE_DISTINCT_FLOAT32X || (__HAVE_FLOAT32X && !defined _LIBC))	\
-      && __GLIBC_USE (IEC_60559_TYPES_EXT)
-#  define _Mdouble_ _Float32x
-#  define __MATH_DECLARING_DOUBLE 0
-#  define __MATH_DECLARING_FLOATN 1
-#  define __REDIRFROM_X(function, reentrant) \
-  function ## f32x ## reentrant
-#  if __HAVE_DISTINCT_FLOAT32X
-#   define __REDIRTO_X(function, reentrant) \
-   __ ## function ## f32x ## reentrant ## _finite
-#  else
-#   define __REDIRTO_X(function, reentrant) \
-   __ ## function ## reentrant ## _finite
-#  endif
-#  include <bits/math-finite.h>
-#  undef _Mdouble_
-#  undef __MATH_DECLARING_DOUBLE
-#  undef __MATH_DECLARING_FLOATN
-#  undef __REDIRFROM_X
-#  undef __REDIRTO_X
-# endif
-
-# if (__HAVE_DISTINCT_FLOAT64X || (__HAVE_FLOAT64X && !defined _LIBC))	\
-      && __GLIBC_USE (IEC_60559_TYPES_EXT)
-#  define _Mdouble_ _Float64x
-#  define __MATH_DECLARING_DOUBLE 0
-#  define __MATH_DECLARING_FLOATN 1
-#  define __REDIRFROM_X(function, reentrant) \
-  function ## f64x ## reentrant
-#  if __HAVE_DISTINCT_FLOAT64X
-#   define __REDIRTO_X(function, reentrant) \
-   __ ## function ## f64x ## reentrant ## _finite
-#  elif __HAVE_FLOAT64X_LONG_DOUBLE
-#   define __REDIRTO_X(function, reentrant) \
-   __ ## function ## l ## reentrant ## _finite
-#  else
-#   define __REDIRTO_X(function, reentrant) \
-   __ ## function ## f128 ## reentrant ## _finite
-#  endif
-#  include <bits/math-finite.h>
-#  undef _Mdouble_
-#  undef __MATH_DECLARING_DOUBLE
-#  undef __MATH_DECLARING_FLOATN
-#  undef __REDIRFROM_X
-#  undef __REDIRTO_X
-# endif
-
-# if (__HAVE_DISTINCT_FLOAT128X || (__HAVE_FLOAT128X && !defined _LIBC)) \
-      && __GLIBC_USE (IEC_60559_TYPES_EXT)
-#  define _Mdouble_ _Float128x
-#  define __MATH_DECLARING_DOUBLE 0
-#  define __MATH_DECLARING_FLOATN 1
-#  define __REDIRFROM_X(function, reentrant) \
-  function ## f128x ## reentrant
-#  if __HAVE_DISTINCT_FLOAT128X
-#   define __REDIRTO_X(function, reentrant) \
-   __ ## function ## f128x ## reentrant ## _finite
-#  else
-#   error "non-disinct _Float128x"
-#  endif
-#  include <bits/math-finite.h>
-#  undef _Mdouble_
-#  undef __MATH_DECLARING_DOUBLE
-#  undef __MATH_DECLARING_FLOATN
-#  undef __REDIRFROM_X
-#  undef __REDIRTO_X
-# endif
-
-#endif /* __FINITE_MATH_ONLY__ > 0.  */
-
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* An expression whose type has the widest of the evaluation formats
    of X and Y (which are of floating-point types).  */
 # if __FLT_EVAL_METHOD__ == 2 || __FLT_EVAL_METHOD__ > 64
diff --git a/lib/libc/include/generic-glibc/mcheck.h b/lib/libc/include/generic-glibc/mcheck.h
index 1feb2df973fc78e82874dc4251c835681fabab19..9814deb4f3f5954661c2ce834f253f4e3ae28ce2 100644
--- a/lib/libc/include/generic-glibc/mcheck.h
+++ b/lib/libc/include/generic-glibc/mcheck.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MCHECK_H
 #define _MCHECK_H       1
diff --git a/lib/libc/include/generic-glibc/memory.h b/lib/libc/include/generic-glibc/memory.h
index 09a9893564084b655f3010aa5a9140d745dd5677..7b2abf85e49123afaaffc6bbc284e8b1f0902dbf 100644
--- a/lib/libc/include/generic-glibc/memory.h
+++ b/lib/libc/include/generic-glibc/memory.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * SVID
diff --git a/lib/libc/include/generic-glibc/mntent.h b/lib/libc/include/generic-glibc/mntent.h
index ce9129ae3d2f14f67b0763d147e6b515fd01b668..d258606765d0293a50d0ffe071ddfd2433eda40f 100644
--- a/lib/libc/include/generic-glibc/mntent.h
+++ b/lib/libc/include/generic-glibc/mntent.h
@@ -1,5 +1,5 @@
 /* Utilities for reading/writing fstab, mtab, etc.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_MNTENT_H
 #define	_MNTENT_H	1
diff --git a/lib/libc/include/generic-glibc/monetary.h b/lib/libc/include/generic-glibc/monetary.h
index c226c11e0751fe89abbce960780d9da04565d566..d7789d087a373ff0ece04acadd38a85ada5d0185 100644
--- a/lib/libc/include/generic-glibc/monetary.h
+++ b/lib/libc/include/generic-glibc/monetary.h
@@ -1,5 +1,5 @@
 /* Header file for monetary value formatting functions.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_MONETARY_H
 #define	_MONETARY_H	1
diff --git a/lib/libc/include/generic-glibc/mqueue.h b/lib/libc/include/generic-glibc/mqueue.h
index bb686c78526549258aa33fb49ef5aa0413b439e4..9aa3a28bbf04637118b129567697bf2362cde6c8 100644
--- a/lib/libc/include/generic-glibc/mqueue.h
+++ b/lib/libc/include/generic-glibc/mqueue.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MQUEUE_H
 #define _MQUEUE_H	1
diff --git a/lib/libc/include/generic-glibc/net/ethernet.h b/lib/libc/include/generic-glibc/net/ethernet.h
index b2cac55c7c94ce5ff138588a73aedcbe6ca91fca..bc4b0d44a7bc21eeb1fc180f45e61f7c0b03a20c 100644
--- a/lib/libc/include/generic-glibc/net/ethernet.h
+++ b/lib/libc/include/generic-glibc/net/ethernet.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Based on the FreeBSD version of this file. Curiously, that file
    lacks a copyright in the header. */
diff --git a/lib/libc/include/generic-glibc/net/if.h b/lib/libc/include/generic-glibc/net/if.h
index bab1fa605db4912dac87a200f60abfc8b35ac943..799d254b99ef3ff7d50de49c1fee576d602a1a71 100644
--- a/lib/libc/include/generic-glibc/net/if.h
+++ b/lib/libc/include/generic-glibc/net/if.h
@@ -1,5 +1,5 @@
 /* net/if.h -- declarations for inquiring about network interfaces
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NET_IF_H
 #define _NET_IF_H	1
diff --git a/lib/libc/include/generic-glibc/net/if_arp.h b/lib/libc/include/generic-glibc/net/if_arp.h
index 94da234f01d2481111d3d133b1c8d2d540fd7884..df31965129770a299c10bf13e05c0cc9b2bd689a 100644
--- a/lib/libc/include/generic-glibc/net/if_arp.h
+++ b/lib/libc/include/generic-glibc/net/if_arp.h
@@ -1,5 +1,5 @@
 /* Definitions for Address Resolution Protocol.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Based on the 4.4BSD and Linux version of this file.  */
 
diff --git a/lib/libc/include/generic-glibc/net/if_packet.h b/lib/libc/include/generic-glibc/net/if_packet.h
index 171360234e58c793f78fb9f72e49506242586688..599694a6079927bfa2a971cc6d84cacccf57ce6c 100644
--- a/lib/libc/include/generic-glibc/net/if_packet.h
+++ b/lib/libc/include/generic-glibc/net/if_packet.h
@@ -1,5 +1,5 @@
 /* Definitions for use with Linux SOCK_PACKET sockets.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __IF_PACKET_H
 #define __IF_PACKET_H
diff --git a/lib/libc/include/generic-glibc/net/if_shaper.h b/lib/libc/include/generic-glibc/net/if_shaper.h
index be307d159135a84f0a2e19c16f920f4ec66567aa..09ecbc28802a88454b08bfc42605914d4f6b355e 100644
--- a/lib/libc/include/generic-glibc/net/if_shaper.h
+++ b/lib/libc/include/generic-glibc/net/if_shaper.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NET_IF_SHAPER_H
 #define _NET_IF_SHAPER_H 1
diff --git a/lib/libc/include/generic-glibc/net/if_slip.h b/lib/libc/include/generic-glibc/net/if_slip.h
index 4468bb2e40fbd6edc7878cb0577cbf5a58181333..ca4571e906cbbe92bf3ca82e0250910aa18588b1 100644
--- a/lib/libc/include/generic-glibc/net/if_slip.h
+++ b/lib/libc/include/generic-glibc/net/if_slip.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NET_IF_SLIP_H
 #define _NET_IF_SLIP_H 1
diff --git a/lib/libc/include/generic-glibc/net/route.h b/lib/libc/include/generic-glibc/net/route.h
index a3fccf0d4d0e5ca536f58455b98de1db81d3268c..7e8361b292c066ddfbec078f5dbc1699bf536e3b 100644
--- a/lib/libc/include/generic-glibc/net/route.h
+++ b/lib/libc/include/generic-glibc/net/route.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Based on the 4.4BSD and Linux version of this file.  */
 
diff --git a/lib/libc/include/generic-glibc/netash/ash.h b/lib/libc/include/generic-glibc/netash/ash.h
index 32e295ed5fc7ffaf11416f821e5a95b48668076b..86d1a0c1b68abd70eee2f99b23538ab1c34e2bc7 100644
--- a/lib/libc/include/generic-glibc/netash/ash.h
+++ b/lib/libc/include/generic-glibc/netash/ash.h
@@ -1,5 +1,5 @@
 /* Definitions for use with Linux AF_ASH sockets.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NETASH_ASH_H
 #define _NETASH_ASH_H	1
diff --git a/lib/libc/include/generic-glibc/netatalk/at.h b/lib/libc/include/generic-glibc/netatalk/at.h
index 6059953b866ac00933270b31672fcb226cb12c34..8c4d89817f0aeb6a5bc98be32d18ae84e1e9eb2b 100644
--- a/lib/libc/include/generic-glibc/netatalk/at.h
+++ b/lib/libc/include/generic-glibc/netatalk/at.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NETATALK_AT_H
 #define _NETATALK_AT_H 1
diff --git a/lib/libc/include/generic-glibc/netax25/ax25.h b/lib/libc/include/generic-glibc/netax25/ax25.h
index b3bee3f8575c278b2b754b4235b1952904b9b836..c4abe6ee366ea1326038302ff5a030966b7432d8 100644
--- a/lib/libc/include/generic-glibc/netax25/ax25.h
+++ b/lib/libc/include/generic-glibc/netax25/ax25.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NETAX25_AX25_H
 #define _NETAX25_AX25_H	1
diff --git a/lib/libc/include/generic-glibc/netdb.h b/lib/libc/include/generic-glibc/netdb.h
index b203c3316d6c0fe91e358ceec2729ce8d5100dfe..6f0b628d3b674feb5df7233c93376cc2fa5748ed 100644
--- a/lib/libc/include/generic-glibc/netdb.h
+++ b/lib/libc/include/generic-glibc/netdb.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* All data returned by the network data base library are supplied in
    host order and returned in network order (suitable for use in
diff --git a/lib/libc/include/generic-glibc/neteconet/ec.h b/lib/libc/include/generic-glibc/neteconet/ec.h
index 2a18f3c84fdeb77c96a30edb0bf15d2a4ce57dce..79488deab2e5969e19a7c206a27895e50a2b6ec4 100644
--- a/lib/libc/include/generic-glibc/neteconet/ec.h
+++ b/lib/libc/include/generic-glibc/neteconet/ec.h
@@ -1,5 +1,5 @@
 /* Definitions for use with Linux AF_ECONET sockets.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NETECONET_EC_H
 #define _NETECONET_EC_H	1
diff --git a/lib/libc/include/generic-glibc/netinet/ether.h b/lib/libc/include/generic-glibc/netinet/ether.h
index 9a8cfd669285eec425c11874d10505c864dc9f23..8d89555cfa3acec9d57f12fb77170fb2ad13277a 100644
--- a/lib/libc/include/generic-glibc/netinet/ether.h
+++ b/lib/libc/include/generic-glibc/netinet/ether.h
@@ -1,5 +1,5 @@
 /* Functions for storing Ethernet addresses in ASCII and mapping to hostnames.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NETINET_ETHER_H
 #define _NETINET_ETHER_H	1
diff --git a/lib/libc/include/generic-glibc/netinet/icmp6.h b/lib/libc/include/generic-glibc/netinet/icmp6.h
index db162d85e96ad6a1302ca51607297242ab31f094..0d1da5d26c373a6925a4eb4d9f17bcbd85aefff8 100644
--- a/lib/libc/include/generic-glibc/netinet/icmp6.h
+++ b/lib/libc/include/generic-glibc/netinet/icmp6.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NETINET_ICMP6_H
 #define _NETINET_ICMP6_H 1
diff --git a/lib/libc/include/generic-glibc/netinet/if_ether.h b/lib/libc/include/generic-glibc/netinet/if_ether.h
index e8df7b6ac8b9c0ae9ed1033f95c57b9d220ee6ff..7373ee35f31bd453311ff6883a31225f7395d2cc 100644
--- a/lib/libc/include/generic-glibc/netinet/if_ether.h
+++ b/lib/libc/include/generic-glibc/netinet/if_ether.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __NETINET_IF_ETHER_H
 
diff --git a/lib/libc/include/generic-glibc/netinet/if_fddi.h b/lib/libc/include/generic-glibc/netinet/if_fddi.h
index 93038b44d02cf27e4eb6bed9d87a3f600108b647..5f1ecd7504777c498ca36656cef69f43d1ee580e 100644
--- a/lib/libc/include/generic-glibc/netinet/if_fddi.h
+++ b/lib/libc/include/generic-glibc/netinet/if_fddi.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NETINET_IF_FDDI_H
 #define	_NETINET_IF_FDDI_H 1
diff --git a/lib/libc/include/generic-glibc/netinet/if_tr.h b/lib/libc/include/generic-glibc/netinet/if_tr.h
index 78d6e959830553e0f7f9fe40acf612d34c41624d..33f70bcc7fd5721dfb413160d87e5f158e77444a 100644
--- a/lib/libc/include/generic-glibc/netinet/if_tr.h
+++ b/lib/libc/include/generic-glibc/netinet/if_tr.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NETINET_IF_TR_H
 #define	_NETINET_IF_TR_H 1
diff --git a/lib/libc/include/generic-glibc/netinet/igmp.h b/lib/libc/include/generic-glibc/netinet/igmp.h
index 1502d9ab036ca2eb45ee486c01f5f35269994b49..eea3f6cdb922e645e73e270539f1940b3d4b3f30 100644
--- a/lib/libc/include/generic-glibc/netinet/igmp.h
+++ b/lib/libc/include/generic-glibc/netinet/igmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NETINET_IGMP_H
 #define	_NETINET_IGMP_H 1
diff --git a/lib/libc/include/generic-glibc/netinet/in.h b/lib/libc/include/generic-glibc/netinet/in.h
index d02bbd5cafcfac8b306f1df7271687c0a03e3c67..bcca1ad51e193b39502f49b3adc76b014d6f41d9 100644
--- a/lib/libc/include/generic-glibc/netinet/in.h
+++ b/lib/libc/include/generic-glibc/netinet/in.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_NETINET_IN_H
 #define	_NETINET_IN_H	1
diff --git a/lib/libc/include/generic-glibc/netinet/in_systm.h b/lib/libc/include/generic-glibc/netinet/in_systm.h
index 39e22c836aa346f639a5bf6b043bcc78570b0cf1..d24e9ecbc85e70ebd132701bccbdddd68bf69857 100644
--- a/lib/libc/include/generic-glibc/netinet/in_systm.h
+++ b/lib/libc/include/generic-glibc/netinet/in_systm.h
@@ -1,5 +1,5 @@
 /* System specific type definitions for networking code.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NETINET_IN_SYSTM_H
 #define _NETINET_IN_SYSTM_H 1
diff --git a/lib/libc/include/generic-glibc/netinet/ip.h b/lib/libc/include/generic-glibc/netinet/ip.h
index 260c6ed6b43d0cc98da5886f806c175ac82c07f0..27703025d0092fac1ad0f23b0273742212383d27 100644
--- a/lib/libc/include/generic-glibc/netinet/ip.h
+++ b/lib/libc/include/generic-glibc/netinet/ip.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __NETINET_IP_H
 #define __NETINET_IP_H 1
diff --git a/lib/libc/include/generic-glibc/netinet/ip6.h b/lib/libc/include/generic-glibc/netinet/ip6.h
index e596a9d44251df103ae3c0889b5432c8b98312b2..12ee883e4853bdfcdf97b7fa9f970c2a80fd0ac6 100644
--- a/lib/libc/include/generic-glibc/netinet/ip6.h
+++ b/lib/libc/include/generic-glibc/netinet/ip6.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NETINET_IP6_H
 #define _NETINET_IP6_H 1
diff --git a/lib/libc/include/generic-glibc/netinet/ip_icmp.h b/lib/libc/include/generic-glibc/netinet/ip_icmp.h
index fde3a5753653fd4814b68672d95fef36c8279b00..5937dd614b65641a42daf38531085491f0b2677c 100644
--- a/lib/libc/include/generic-glibc/netinet/ip_icmp.h
+++ b/lib/libc/include/generic-glibc/netinet/ip_icmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __NETINET_IP_ICMP_H
 #define __NETINET_IP_ICMP_H    1
diff --git a/lib/libc/include/generic-glibc/netinet/tcp.h b/lib/libc/include/generic-glibc/netinet/tcp.h
index 8b2fd6e469908687ad23fd6aba2af82dcebfc594..ec933410c9bd2e664bfabd4ca016497b0238a81b 100644
--- a/lib/libc/include/generic-glibc/netinet/tcp.h
+++ b/lib/libc/include/generic-glibc/netinet/tcp.h
@@ -79,6 +79,7 @@
 #define TCP_INQ			 36 /* Notify bytes available to read
 				       as a cmsg on read.  */
 #define TCP_CM_INQ		 TCP_INQ
+#define TCP_TX_DELAY		 37 /* Delay outgoing packets by XX usec.  */
 
 #define TCP_REPAIR_ON		 1
 #define TCP_REPAIR_OFF		 0
diff --git a/lib/libc/include/generic-glibc/netinet/udp.h b/lib/libc/include/generic-glibc/netinet/udp.h
index c2c87b3201d5227f089f838422dfa5d21c0ed828..50fcbf1e20805ff36416276904441932950c59e0 100644
--- a/lib/libc/include/generic-glibc/netinet/udp.h
+++ b/lib/libc/include/generic-glibc/netinet/udp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Copyright (C) 1982, 1986 Regents of the University of California.
diff --git a/lib/libc/include/generic-glibc/netipx/ipx.h b/lib/libc/include/generic-glibc/netipx/ipx.h
index 61ef23842ae7606b837cea0f5b365159262b4377..3808131607b02893ff812545d948717250ecae72 100644
--- a/lib/libc/include/generic-glibc/netipx/ipx.h
+++ b/lib/libc/include/generic-glibc/netipx/ipx.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __NETIPX_IPX_H
 #define __NETIPX_IPX_H 1
diff --git a/lib/libc/include/generic-glibc/netiucv/iucv.h b/lib/libc/include/generic-glibc/netiucv/iucv.h
index 6e7a6e924e54e09b96de8fe19d5d575984893a2a..05be5b78b04341657ddb6733d3b5650ad824b8ee 100644
--- a/lib/libc/include/generic-glibc/netiucv/iucv.h
+++ b/lib/libc/include/generic-glibc/netiucv/iucv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __NETIUCV_IUCV_H
 #define __NETIUCV_IUCV_H	1
diff --git a/lib/libc/include/generic-glibc/netpacket/packet.h b/lib/libc/include/generic-glibc/netpacket/packet.h
index ab6f56d70472656af1008f076d1695c4791f2928..84866bea75510feb3cf3e33b0bb8e2ea10ce9ec1 100644
--- a/lib/libc/include/generic-glibc/netpacket/packet.h
+++ b/lib/libc/include/generic-glibc/netpacket/packet.h
@@ -1,5 +1,5 @@
 /* Definitions for use with Linux AF_PACKET sockets.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __NETPACKET_PACKET_H
 #define __NETPACKET_PACKET_H	1
diff --git a/lib/libc/include/generic-glibc/netrom/netrom.h b/lib/libc/include/generic-glibc/netrom/netrom.h
index 02ac57cbd28e59de4dd88392fcc7ca663aaf8a72..6852343cd0b416b0fb0e9c4f5048ac763af2bcb7 100644
--- a/lib/libc/include/generic-glibc/netrom/netrom.h
+++ b/lib/libc/include/generic-glibc/netrom/netrom.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NETROM_NETROM_H
 #define _NETROM_NETROM_H	1
diff --git a/lib/libc/include/generic-glibc/netrose/rose.h b/lib/libc/include/generic-glibc/netrose/rose.h
index 9a1fd4e4e3a13588a0026fe352fe8e4d4a8b322e..411b2dd558715092e913c37e17619899c3ed0e73 100644
--- a/lib/libc/include/generic-glibc/netrose/rose.h
+++ b/lib/libc/include/generic-glibc/netrose/rose.h
@@ -1,5 +1,5 @@
 /* Definitions for Rose packet radio address family.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* What follows is copied from the 2.1.93 <linux/rose.h>.  */
 
diff --git a/lib/libc/include/generic-glibc/nl_types.h b/lib/libc/include/generic-glibc/nl_types.h
index a6959c250fb29e3ccb4dc3aab9a3cfd938e6c232..bd2de64903d3f94597dd82ded0e5e0a03fc4edf4 100644
--- a/lib/libc/include/generic-glibc/nl_types.h
+++ b/lib/libc/include/generic-glibc/nl_types.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _NL_TYPES_H
 #define _NL_TYPES_H 1
diff --git a/lib/libc/include/generic-glibc/nss.h b/lib/libc/include/generic-glibc/nss.h
index 0ab00b39760b2ea50f7a029bf5b1370a67de0fac..d24028cc4f5299d8f4e7ab0b365abe32b3edec37 100644
--- a/lib/libc/include/generic-glibc/nss.h
+++ b/lib/libc/include/generic-glibc/nss.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Define interface to NSS.  This is meant for the interface functions
    and for implementors of new services.  */
diff --git a/lib/libc/include/generic-glibc/obstack.h b/lib/libc/include/generic-glibc/obstack.h
index 41182e5e76dfa9184354bb09522da71e913e309f..d1188b9d4532a3bb3327e1c1802188252934449c 100644
--- a/lib/libc/include/generic-glibc/obstack.h
+++ b/lib/libc/include/generic-glibc/obstack.h
@@ -1,5 +1,5 @@
 /* obstack.h - object stack macros
-   Copyright (C) 1988-2019 Free Software Foundation, Inc.
+   Copyright (C) 1988-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Summary:
 
diff --git a/lib/libc/include/generic-glibc/printf.h b/lib/libc/include/generic-glibc/printf.h
index 9d84edb8de4b935482d4be124dea28a1db02f0b1..eaf489649e5541d4194c3ef65a42a122628fe517 100644
--- a/lib/libc/include/generic-glibc/printf.h
+++ b/lib/libc/include/generic-glibc/printf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_PRINTF_H
 
diff --git a/lib/libc/include/generic-glibc/proc_service.h b/lib/libc/include/generic-glibc/proc_service.h
index 6453259309ee4d12859c899ef20fe46c060e71c7..ec3c29113f2554a7b34004226a83b8ca983146e9 100644
--- a/lib/libc/include/generic-glibc/proc_service.h
+++ b/lib/libc/include/generic-glibc/proc_service.h
@@ -1,5 +1,5 @@
 /* Callback interface for libthread_db, functions users must define.
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _PROC_SERVICE_H
 #define _PROC_SERVICE_H 1
diff --git a/lib/libc/include/generic-glibc/pthread.h b/lib/libc/include/generic-glibc/pthread.h
index 2a93e215c42ffdb48d830068d55b634f3f0c3e7e..b9914a0d457db7e93a776bdc4366913d3a4552b2 100644
--- a/lib/libc/include/generic-glibc/pthread.h
+++ b/lib/libc/include/generic-glibc/pthread.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,16 +13,16 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _PTHREAD_H
 #define _PTHREAD_H	1
 
 #include <features.h>
-#include <endian.h>
 #include <sched.h>
 #include <time.h>
 
+#include <bits/endian.h>
 #include <bits/pthreadtypes.h>
 #include <bits/setjmp.h>
 #include <bits/wordsize.h>
@@ -83,30 +83,15 @@ enum
 #endif
 
 
-#if __PTHREAD_MUTEX_HAVE_PREV
-# define PTHREAD_MUTEX_INITIALIZER \
-  { { 0, 0, 0, 0, 0, __PTHREAD_SPINS, { 0, 0 } } }
-# ifdef __USE_GNU
-#  define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \
-  { { 0, 0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, __PTHREAD_SPINS, { 0, 0 } } }
-#  define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \
-  { { 0, 0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, __PTHREAD_SPINS, { 0, 0 } } }
-#  define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \
-  { { 0, 0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, __PTHREAD_SPINS, { 0, 0 } } }
-
-# endif
-#else
-# define PTHREAD_MUTEX_INITIALIZER \
-  { { 0, 0, 0, 0, 0, { __PTHREAD_SPINS } } }
-# ifdef __USE_GNU
-#  define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \
-  { { 0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, 0, { __PTHREAD_SPINS } } }
-#  define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \
-  { { 0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, 0, { __PTHREAD_SPINS } } }
-#  define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \
-  { { 0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, 0, { __PTHREAD_SPINS } } }
-
-# endif
+#define PTHREAD_MUTEX_INITIALIZER \
+ { {  __PTHREAD_MUTEX_INITIALIZER (PTHREAD_MUTEX_TIMED_NP) } }
+#ifdef __USE_GNU
+# define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \
+ { {  __PTHREAD_MUTEX_INITIALIZER (PTHREAD_MUTEX_RECURSIVE_NP) } }
+# define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \
+ { {  __PTHREAD_MUTEX_INITIALIZER (PTHREAD_MUTEX_ERRORCHECK_NP) } }
+# define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \
+ { {  __PTHREAD_MUTEX_INITIALIZER (PTHREAD_MUTEX_ADAPTIVE_NP) } }
 #endif
 
 
@@ -120,34 +105,13 @@ enum
   PTHREAD_RWLOCK_DEFAULT_NP = PTHREAD_RWLOCK_PREFER_READER_NP
 };
 
-/* Define __PTHREAD_RWLOCK_INT_FLAGS_SHARED to 1 if pthread_rwlock_t
-   has the shared field.  All 64-bit architectures have the shared field
-   in pthread_rwlock_t.  */
-#ifndef __PTHREAD_RWLOCK_INT_FLAGS_SHARED
-# if __WORDSIZE == 64
-#  define __PTHREAD_RWLOCK_INT_FLAGS_SHARED 1
-# endif
-#endif
 
 /* Read-write lock initializers.  */
 # define PTHREAD_RWLOCK_INITIALIZER \
-  { { 0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, 0 } }
+  { { __PTHREAD_RWLOCK_INITIALIZER (PTHREAD_RWLOCK_DEFAULT_NP) } }
 # ifdef __USE_GNU
-#  ifdef __PTHREAD_RWLOCK_INT_FLAGS_SHARED
-#   define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
-  { { 0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0,					      \
-	PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP } }
-#  else
-#   if __BYTE_ORDER == __LITTLE_ENDIAN
-#    define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
-  { { 0, 0, 0, 0, 0, 0, PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, \
-      0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, 0 } }
-#   else
-#    define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
-  { { 0, 0, 0, 0, 0, 0, 0, 0, 0, PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP,\
-      0 } }
-#   endif
-#  endif
+#  define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
+  { { __PTHREAD_RWLOCK_INITIALIZER (PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP) } }
 # endif
 #endif  /* Unix98 or XOpen2K */
 
@@ -263,6 +227,17 @@ extern int pthread_tryjoin_np (pthread_t __th, void **__thread_return) __THROW;
    __THROW.  */
 extern int pthread_timedjoin_np (pthread_t __th, void **__thread_return,
 				 const struct timespec *__abstime);
+
+/* Make calling thread wait for termination of the thread TH, but only
+   until TIMEOUT measured against the clock specified by CLOCKID.  The
+   exit status of the thread is stored in *THREAD_RETURN, if
+   THREAD_RETURN is not NULL.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int pthread_clockjoin_np (pthread_t __th, void **__thread_return,
+                                 clockid_t __clockid,
+				 const struct timespec *__abstime);
 #endif
 
 /* Indicate that the thread TH is never to be joined with PTHREAD_JOIN.
diff --git a/lib/libc/include/generic-glibc/pty.h b/lib/libc/include/generic-glibc/pty.h
index c58f91d8719d95c730c146f5ca274b39e0902e2e..3de99240b512f160a1b56672f2f1f2dde32f4ca2 100644
--- a/lib/libc/include/generic-glibc/pty.h
+++ b/lib/libc/include/generic-glibc/pty.h
@@ -1,5 +1,5 @@
 /* Functions for pseudo TTY handling.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _PTY_H
 #define _PTY_H	1
diff --git a/lib/libc/include/generic-glibc/pwd.h b/lib/libc/include/generic-glibc/pwd.h
index fc27f27b55066a8bb67c51ad9a476844ea84e04b..31490f7e54aa8df2da8a21e12da6404a0af3ce0a 100644
--- a/lib/libc/include/generic-glibc/pwd.h
+++ b/lib/libc/include/generic-glibc/pwd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 9.2.2 User Database Access	<pwd.h>
diff --git a/lib/libc/include/generic-glibc/re_comp.h b/lib/libc/include/generic-glibc/re_comp.h
index 286d6def404609c427b1f3c6488c4edc46ebe8b4..17d76d286dc741238443b00dec43c82fe11a4b1e 100644
--- a/lib/libc/include/generic-glibc/re_comp.h
+++ b/lib/libc/include/generic-glibc/re_comp.h
@@ -1,4 +1,4 @@
-/*  Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/*  Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _RE_COMP_H
 #define _RE_COMP_H	1
diff --git a/lib/libc/include/generic-glibc/regdef.h b/lib/libc/include/generic-glibc/regdef.h
index 1dda0c1d14202bb8cc3208a38308fde13cde8488..70b10f9878ffbaf5164cfdecb6651f5d5a5f463c 100644
--- a/lib/libc/include/generic-glibc/regdef.h
+++ b/lib/libc/include/generic-glibc/regdef.h
@@ -1,6 +1,5 @@
-/* Copyright (C) 1994-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ralf Baechle <ralf@gnu.org>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -14,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _REGDEF_H
 #define _REGDEF_H
diff --git a/lib/libc/include/generic-glibc/regex.h b/lib/libc/include/generic-glibc/regex.h
index 07ad6904bd298b810a831dcf5d05e5490758937c..289d4ee03627646fcd50f0dd00d6cbd1976e3692 100644
--- a/lib/libc/include/generic-glibc/regex.h
+++ b/lib/libc/include/generic-glibc/regex.h
@@ -1,6 +1,6 @@
 /* Definitions for data structures and routines for the regular
    expression library.
-   Copyright (C) 1985, 1989-2019 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1989-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/libc/include/generic-glibc/regexp.h b/lib/libc/include/generic-glibc/regexp.h
index a6859a8150e61725a0d6a7885508d86ade4d99e0..6b9fd00707158a4e979d8cdcadd805f7fc0a398a 100644
--- a/lib/libc/include/generic-glibc/regexp.h
+++ b/lib/libc/include/generic-glibc/regexp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _REGEXP_H
 #define _REGEXP_H	1
diff --git a/lib/libc/include/generic-glibc/resolv.h b/lib/libc/include/generic-glibc/resolv.h
index 184e6a0074495ea1a2792be30108b5891bcf9262..55f091617989656a3f12a25b378d8053a9c73230 100644
--- a/lib/libc/include/generic-glibc/resolv.h
+++ b/lib/libc/include/generic-glibc/resolv.h
@@ -131,6 +131,7 @@ struct res_sym {
 #define RES_NOTLDQUERY	0x01000000	/* Do not look up unqualified name
 					   as a TLD.  */
 #define RES_NORELOAD    0x02000000 /* No automatic configuration reload.  */
+#define RES_TRUSTAD     0x04000000 /* Request AD bit, keep it in responses.  */
 
 #define RES_DEFAULT	(RES_RECURSE|RES_DEFNAMES|RES_DNSRCH)
 
diff --git a/lib/libc/include/generic-glibc/sched.h b/lib/libc/include/generic-glibc/sched.h
index 6eb70117895aef639bbdbd643ed577091ef54681..61a8a3d6cabed0af8b6b5f9739c0239731862350 100644
--- a/lib/libc/include/generic-glibc/sched.h
+++ b/lib/libc/include/generic-glibc/sched.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX 1003.1b-1993 (aka POSIX.4) scheduling interface.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SCHED_H
 #define	_SCHED_H	1
diff --git a/lib/libc/include/generic-glibc/scsi/scsi.h b/lib/libc/include/generic-glibc/scsi/scsi.h
index 7b09167bd3f037e8bddbcc7f35328e993c2704e3..c46d0aef31cbcd796de2e936323c1a78934df99e 100644
--- a/lib/libc/include/generic-glibc/scsi/scsi.h
+++ b/lib/libc/include/generic-glibc/scsi/scsi.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * This header file contains public constants and structures used by
diff --git a/lib/libc/include/generic-glibc/scsi/scsi_ioctl.h b/lib/libc/include/generic-glibc/scsi/scsi_ioctl.h
index 49431365063adaa22036dc5231797ca3e4e60ff0..d8e56c5398d79f098f2f0d8f8576a0079500d7af 100644
--- a/lib/libc/include/generic-glibc/scsi/scsi_ioctl.h
+++ b/lib/libc/include/generic-glibc/scsi/scsi_ioctl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SCSI_IOCTL_H
 #define _SCSI_IOCTL_H
diff --git a/lib/libc/include/generic-glibc/scsi/sg.h b/lib/libc/include/generic-glibc/scsi/sg.h
index f6bb1fdee4a55dd71d9725cd776ac1b287fcfd2f..4061126ae0ace54aaecfc548b9b5ab3f082cc7a1 100644
--- a/lib/libc/include/generic-glibc/scsi/sg.h
+++ b/lib/libc/include/generic-glibc/scsi/sg.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
    History:
diff --git a/lib/libc/include/generic-glibc/search.h b/lib/libc/include/generic-glibc/search.h
index 8ea76038916962740b64d36e42608a3168f6b5f6..45983e9a328ff9076101ce5e0581860e61232eb3 100644
--- a/lib/libc/include/generic-glibc/search.h
+++ b/lib/libc/include/generic-glibc/search.h
@@ -1,5 +1,5 @@
 /* Declarations for System V style searching functions.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEARCH_H
 #define	_SEARCH_H 1
diff --git a/lib/libc/include/generic-glibc/semaphore.h b/lib/libc/include/generic-glibc/semaphore.h
index 595dec7abd77e38f35d1e056b0d3b26a8d1afbb0..2ac9a183f2b15a4eeade78512cb7157a5a10aa97 100644
--- a/lib/libc/include/generic-glibc/semaphore.h
+++ b/lib/libc/include/generic-glibc/semaphore.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 #define _SEMAPHORE_H	1
diff --git a/lib/libc/include/generic-glibc/setjmp.h b/lib/libc/include/generic-glibc/setjmp.h
index e2e00228fa5847e2455843726ac3a5a2ea50e1fe..0087a1b23149fc54cda1e8d71e74796c69ddd0a2 100644
--- a/lib/libc/include/generic-glibc/setjmp.h
+++ b/lib/libc/include/generic-glibc/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.13 Nonlocal jumps	<setjmp.h>
diff --git a/lib/libc/include/generic-glibc/sgidefs.h b/lib/libc/include/generic-glibc/sgidefs.h
index a22a208cea4501ace22b2967bd477e6df21c32f5..269d4e781e6db843a28dc8cc3f5f6eef6ee41f42 100644
--- a/lib/libc/include/generic-glibc/sgidefs.h
+++ b/lib/libc/include/generic-glibc/sgidefs.h
@@ -1,6 +1,5 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ralf Baechle <ralf@gnu.org>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -14,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SGIDEFS_H
 #define _SGIDEFS_H	1
diff --git a/lib/libc/include/generic-glibc/sgtty.h b/lib/libc/include/generic-glibc/sgtty.h
index 20b10efaa30a4cacc9b9008481e6c0ae94a90f88..1aec65ced9b65d0896b9642bdbc9155a55c09fa5 100644
--- a/lib/libc/include/generic-glibc/sgtty.h
+++ b/lib/libc/include/generic-glibc/sgtty.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SGTTY_H
 #define	_SGTTY_H	1
diff --git a/lib/libc/include/generic-glibc/shadow.h b/lib/libc/include/generic-glibc/shadow.h
index 9e7fbd09b5b8b1e99157ca31ed8a14ad57826936..78f019b70f227f7b553614a31d27ed426c84f457 100644
--- a/lib/libc/include/generic-glibc/shadow.h
+++ b/lib/libc/include/generic-glibc/shadow.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Declaration of types and functions for "shadow" storage of hashed
    passphrases.  The shadow database is like the user database, but is
diff --git a/lib/libc/include/generic-glibc/signal.h b/lib/libc/include/generic-glibc/signal.h
index 12999bc8deb16b471940649afa5360a6c50abf9c..7fa19ea2151aa06fbe896012d316def722cd3eb9 100644
--- a/lib/libc/include/generic-glibc/signal.h
+++ b/lib/libc/include/generic-glibc/signal.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.14 Signal handling <signal.h>
diff --git a/lib/libc/include/generic-glibc/spawn.h b/lib/libc/include/generic-glibc/spawn.h
index 439107860474b054c4af2c989112acb23ab40885..565b802d26e109bb4d5946d886c28c648c7c7b71 100644
--- a/lib/libc/include/generic-glibc/spawn.h
+++ b/lib/libc/include/generic-glibc/spawn.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX spawn interface.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SPAWN_H
 #define	_SPAWN_H	1
diff --git a/lib/libc/include/generic-glibc/stdc-predef.h b/lib/libc/include/generic-glibc/stdc-predef.h
index 78afe72d4bb962890a1fdddbd9a4bc5a4f82bb65..35c821b2c28e2987c06a5ce864145015743a5484 100644
--- a/lib/libc/include/generic-glibc/stdc-predef.h
+++ b/lib/libc/include/generic-glibc/stdc-predef.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_STDC_PREDEF_H
 #define	_STDC_PREDEF_H	1
diff --git a/lib/libc/include/generic-glibc/stdint.h b/lib/libc/include/generic-glibc/stdint.h
index 8867249d2279841525b91681f7508112f0e62ab1..3d1358c2194153c254e8efb65f409bb47ac62b3c 100644
--- a/lib/libc/include/generic-glibc/stdint.h
+++ b/lib/libc/include/generic-glibc/stdint.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99: 7.18 Integer types <stdint.h>
@@ -273,7 +273,7 @@ typedef __uintmax_t		uintmax_t;
 #  define UINTMAX_C(c)	c ## ULL
 # endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 
 # define INT8_WIDTH 8
 # define UINT8_WIDTH 8
diff --git a/lib/libc/include/generic-glibc/stdio.h b/lib/libc/include/generic-glibc/stdio.h
index 2aee4e206e481c7bbf8573c50ba62f7b10fb40bc..7b5485826bb4c2ac45e04f2d0a0152d7cc098767 100644
--- a/lib/libc/include/generic-glibc/stdio.h
+++ b/lib/libc/include/generic-glibc/stdio.h
@@ -1,5 +1,5 @@
 /* Define ISO C stdio on top of C++ iostreams.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.19 Input/output	<stdio.h>
diff --git a/lib/libc/include/generic-glibc/stdio_ext.h b/lib/libc/include/generic-glibc/stdio_ext.h
index dfe1c1167b9c31cab9cc149a16ea9619b6da0f6f..bc5282abeee9fca5b188365ebba6daabbebff5c5 100644
--- a/lib/libc/include/generic-glibc/stdio_ext.h
+++ b/lib/libc/include/generic-glibc/stdio_ext.h
@@ -1,5 +1,5 @@
 /* Functions to access FILE structure internals.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This header contains the same definitions as the header of the same name
    on Sun's Solaris OS.  */
diff --git a/lib/libc/include/generic-glibc/stdlib.h b/lib/libc/include/generic-glibc/stdlib.h
index cfe0bf33182a6aadf830b7071c1302eb4eae4299..115bcee92dc07d388cc1bcb5e9e4ef2dc58bfb38 100644
--- a/lib/libc/include/generic-glibc/stdlib.h
+++ b/lib/libc/include/generic-glibc/stdlib.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.20 General utilities	<stdlib.h>
@@ -208,7 +208,7 @@ extern unsigned long long int strtoull (const char *__restrict __nptr,
 #endif /* ISO C99 or use MISC.  */
 
 /* Convert a floating-point number to a string.  */
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 extern int strfromd (char *__dest, size_t __size, const char *__format,
 		     double __f)
      __THROW __nonnull ((3));
diff --git a/lib/libc/include/generic-glibc/string.h b/lib/libc/include/generic-glibc/string.h
index bd5aa6e74007d7c4a6ae336633caf79796542ce6..423cc537ede6aa95e2829d0b01ac67de9910daa1 100644
--- a/lib/libc/include/generic-glibc/string.h
+++ b/lib/libc/include/generic-glibc/string.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.21 String handling	<string.h>
@@ -33,7 +33,8 @@ __BEGIN_DECLS
 #include <stddef.h>
 
 /* Tell the caller that we provide correct C++ prototypes.  */
-#if defined __cplusplus && __GNUC_PREREQ (4, 4)
+#if defined __cplusplus && (__GNUC_PREREQ (4, 4) \
+			    || __glibc_clang_prereq (3, 5))
 # define __CORRECT_ISO_CPP_STRING_H_PROTO
 #endif
 
@@ -49,7 +50,7 @@ extern void *memmove (void *__dest, const void *__src, size_t __n)
 /* Copy no more than N bytes of SRC to DEST, stopping when C is found.
    Return the position in DEST one byte past where C was copied,
    or NULL if C was not found in the first N bytes of SRC.  */
-#if defined __USE_MISC || defined __USE_XOPEN
+#if defined __USE_MISC || defined __USE_XOPEN || __GLIBC_USE (ISOC2X)
 extern void *memccpy (void *__restrict __dest, const void *__restrict __src,
 		      int __c, size_t __n)
      __THROW __nonnull ((1, 2));
@@ -161,7 +162,7 @@ extern size_t strxfrm_l (char *__dest, const char *__src, size_t __n,
 #endif
 
 #if (defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8	\
-     || __GLIBC_USE (LIB_EXT2))
+     || __GLIBC_USE (LIB_EXT2) || __GLIBC_USE (ISOC2X))
 /* Duplicate S, returning an identical malloc'd string.  */
 extern char *strdup (const char *__s)
      __THROW __attribute_malloc__ __nonnull ((1));
@@ -170,7 +171,7 @@ extern char *strdup (const char *__s)
 /* Return a malloc'd copy of at most N bytes of STRING.  The
    resultant string is terminated even if no null terminator
    appears before STRING[N].  */
-#if defined __USE_XOPEN2K8 || __GLIBC_USE (LIB_EXT2)
+#if defined __USE_XOPEN2K8 || __GLIBC_USE (LIB_EXT2) || __GLIBC_USE (ISOC2X)
 extern char *strndup (const char *__string, size_t __n)
      __THROW __attribute_malloc__ __nonnull ((1));
 #endif
diff --git a/lib/libc/include/generic-glibc/strings.h b/lib/libc/include/generic-glibc/strings.h
index 12f1af49cd42382cd0403c403e8ab6e44f398324..4fea1d0242edc243fb0b87d5f5411db0f7439345 100644
--- a/lib/libc/include/generic-glibc/strings.h
+++ b/lib/libc/include/generic-glibc/strings.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_STRINGS_H
 #define	_STRINGS_H	1
diff --git a/lib/libc/include/generic-glibc/sys/acct.h b/lib/libc/include/generic-glibc/sys/acct.h
index cd1bc7ce898b2a6b665594e0c9846c7d68fd7a7c..40ba0adb93d741dcc60d69f563354015ba89b6b0 100644
--- a/lib/libc/include/generic-glibc/sys/acct.h
+++ b/lib/libc/include/generic-glibc/sys/acct.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,14 +13,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_ACCT_H
 #define _SYS_ACCT_H	1
 
 #include <sys/types.h>
 #include <stdint.h>
-#include <endian.h>
+#include <bits/endian.h>
 #include <bits/types/time_t.h>
 
 __BEGIN_DECLS
diff --git a/lib/libc/include/generic-glibc/sys/asm.h b/lib/libc/include/generic-glibc/sys/asm.h
index 42a2a023875d48ae8b69e9a40159c513cb51ceaf..b87759216a2f51073fd67fbcdefad3bc284e849b 100644
--- a/lib/libc/include/generic-glibc/sys/asm.h
+++ b/lib/libc/include/generic-glibc/sys/asm.h
@@ -1,6 +1,5 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ralf Baechle <ralf@gnu.org>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -14,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_ASM_H
 #define _SYS_ASM_H
diff --git a/lib/libc/include/generic-glibc/sys/auxv.h b/lib/libc/include/generic-glibc/sys/auxv.h
index 064ca2841b4b11cfe15f7e0f88ce2f6d4aa71172..e94fc7ce26552e5876bcdde1c795a4e2afc910af 100644
--- a/lib/libc/include/generic-glibc/sys/auxv.h
+++ b/lib/libc/include/generic-glibc/sys/auxv.h
@@ -1,5 +1,5 @@
 /* Access to the auxiliary vector.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_AUXV_H
 #define _SYS_AUXV_H 1
diff --git a/lib/libc/include/generic-glibc/sys/cachectl.h b/lib/libc/include/generic-glibc/sys/cachectl.h
index 29fa4fd54c32da8c937935bd1d1cb195b3981d0a..798a6819dada00d859c37c24c84af759fb9cc885 100644
--- a/lib/libc/include/generic-glibc/sys/cachectl.h
+++ b/lib/libc/include/generic-glibc/sys/cachectl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_CACHECTL_H
 #define _SYS_CACHECTL_H 1
diff --git a/lib/libc/include/generic-glibc/sys/cdefs.h b/lib/libc/include/generic-glibc/sys/cdefs.h
index fad225653759e55418387276c906a17ae2eaf5bf..8d82b634bdd97f785de05f54776e50812724c9a2 100644
--- a/lib/libc/include/generic-glibc/sys/cdefs.h
+++ b/lib/libc/include/generic-glibc/sys/cdefs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_CDEFS_H
 #define	_SYS_CDEFS_H	1
@@ -412,14 +412,6 @@
 # define __glibc_has_attribute(attr)	0
 #endif
 
-#ifdef __has_include
-/* Do not use a function-like macro, so that __has_include can inhibit
-   macro expansion.  */
-# define __glibc_has_include __has_include
-#else
-# define __glibc_has_include(header)	0
-#endif
-
 #if (!defined _Noreturn \
      && (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) < 201112 \
      &&  !__GNUC_PREREQ (4,7))
diff --git a/lib/libc/include/generic-glibc/sys/debugreg.h b/lib/libc/include/generic-glibc/sys/debugreg.h
index a870a9f3bae4b80dd1656e77d92f5b417325f793..b62d0a1ed08d87de49906c8439147d98d75d4468 100644
--- a/lib/libc/include/generic-glibc/sys/debugreg.h
+++ b/lib/libc/include/generic-glibc/sys/debugreg.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_DEBUGREG_H
 #define _SYS_DEBUGREG_H	1
diff --git a/lib/libc/include/generic-glibc/sys/dir.h b/lib/libc/include/generic-glibc/sys/dir.h
index 2176d5ec64e1f76f6077e34686b57e8c8f417ed9..6aa2cd8afc25c0bbf3e6ba268dc7176cbd6b5dc8 100644
--- a/lib/libc/include/generic-glibc/sys/dir.h
+++ b/lib/libc/include/generic-glibc/sys/dir.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_DIR_H
 #define	_SYS_DIR_H	1
diff --git a/lib/libc/include/generic-glibc/sys/elf.h b/lib/libc/include/generic-glibc/sys/elf.h
index ea214a153032b44dc6df73650175d1b8bf673e1d..134b815f4c1cf28579717d2a47e60c754b872395 100644
--- a/lib/libc/include/generic-glibc/sys/elf.h
+++ b/lib/libc/include/generic-glibc/sys/elf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_ELF_H
 #define _SYS_ELF_H	1
diff --git a/lib/libc/include/generic-glibc/sys/epoll.h b/lib/libc/include/generic-glibc/sys/epoll.h
index cf4f949fb3c8cefed6c7368e10baefe279b1315a..b5cad81b0d7c56c4b6aca98af06c197bc1d3e29d 100644
--- a/lib/libc/include/generic-glibc/sys/epoll.h
+++ b/lib/libc/include/generic-glibc/sys/epoll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EPOLL_H
 #define	_SYS_EPOLL_H	1
diff --git a/lib/libc/include/generic-glibc/sys/eventfd.h b/lib/libc/include/generic-glibc/sys/eventfd.h
index 57eb4d0a75d29312932bc859cb7be375bd650cdb..656184d6341efed3df19e64f5c192109ba24b771 100644
--- a/lib/libc/include/generic-glibc/sys/eventfd.h
+++ b/lib/libc/include/generic-glibc/sys/eventfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EVENTFD_H
 #define	_SYS_EVENTFD_H	1
diff --git a/lib/libc/include/generic-glibc/sys/fanotify.h b/lib/libc/include/generic-glibc/sys/fanotify.h
index 87d409605b9b1c80895892a14bba08b221b7168f..184c16c3f040c3adf8f3e32b7761b051449cae0b 100644
--- a/lib/libc/include/generic-glibc/sys/fanotify.h
+++ b/lib/libc/include/generic-glibc/sys/fanotify.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2010-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2010-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_FANOTIFY_H
 #define	_SYS_FANOTIFY_H	1
diff --git a/lib/libc/include/generic-glibc/sys/file.h b/lib/libc/include/generic-glibc/sys/file.h
index 15002e36f5868dfc6e3c9d907e37fe451a120c61..1de9d6f256263ebf9eb9602ae4c4c908bc703d01 100644
--- a/lib/libc/include/generic-glibc/sys/file.h
+++ b/lib/libc/include/generic-glibc/sys/file.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_FILE_H
 #define	_SYS_FILE_H	1
diff --git a/lib/libc/include/generic-glibc/sys/fpregdef.h b/lib/libc/include/generic-glibc/sys/fpregdef.h
index 2705ae695307e245a5e6625757e531d9b90c77d9..6f5c97519f3445f9b57465ba446b9bd4f967980c 100644
--- a/lib/libc/include/generic-glibc/sys/fpregdef.h
+++ b/lib/libc/include/generic-glibc/sys/fpregdef.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_FPREGDEF_H
 #define _SYS_FPREGDEF_H
diff --git a/lib/libc/include/generic-glibc/sys/fsuid.h b/lib/libc/include/generic-glibc/sys/fsuid.h
index 374c938c608d5e202f22e104f2faa86939d98473..14ce7bebc6a412567e00845d748e2d39b6be0c73 100644
--- a/lib/libc/include/generic-glibc/sys/fsuid.h
+++ b/lib/libc/include/generic-glibc/sys/fsuid.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_FSUID_H
 #define _SYS_FSUID_H	1
diff --git a/lib/libc/include/generic-glibc/sys/gmon_out.h b/lib/libc/include/generic-glibc/sys/gmon_out.h
index 4955418ae5764a6ab25252956c3086baf6879ede..9a8f34a2ff412b65c36da048a022beb75b748acb 100644
--- a/lib/libc/include/generic-glibc/sys/gmon_out.h
+++ b/lib/libc/include/generic-glibc/sys/gmon_out.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by David Mosberger <davidm@cs.arizona.edu>.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This file specifies the format of gmon.out files.  It should have
    as few external dependencies as possible as it is going to be included
diff --git a/lib/libc/include/generic-glibc/sys/ifunc.h b/lib/libc/include/generic-glibc/sys/ifunc.h
index 06e9a42847bf146397f645d7a60c3df828cc783c..4f1aeda8185a92e79b6c0290630cda762f5e6dce 100644
--- a/lib/libc/include/generic-glibc/sys/ifunc.h
+++ b/lib/libc/include/generic-glibc/sys/ifunc.h
@@ -1,5 +1,5 @@
 /* Definitions used by AArch64 indirect function resolvers.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IFUNC_H
 #define _SYS_IFUNC_H
diff --git a/lib/libc/include/generic-glibc/sys/inotify.h b/lib/libc/include/generic-glibc/sys/inotify.h
index 9358c4bb2145662111d02faf6b1249c551bd7ea6..d175d6c302ac6f654b93945844cb01d298f84414 100644
--- a/lib/libc/include/generic-glibc/sys/inotify.h
+++ b/lib/libc/include/generic-glibc/sys/inotify.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_INOTIFY_H
 #define	_SYS_INOTIFY_H	1
diff --git a/lib/libc/include/generic-glibc/sys/io.h b/lib/libc/include/generic-glibc/sys/io.h
index c27e96f4af7aab65cf910cec2ef8c9a9d42487e4..06c4abd8c2fff5bdaa7fe40669ff8d7489a8e9e3 100644
--- a/lib/libc/include/generic-glibc/sys/io.h
+++ b/lib/libc/include/generic-glibc/sys/io.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_IO_H
 #define	_SYS_IO_H	1
diff --git a/lib/libc/include/generic-glibc/sys/ioctl.h b/lib/libc/include/generic-glibc/sys/ioctl.h
index 0eef3b9c76c8978bdad30a7835275eaff37e1cb2..ba33a3969f9d77ad3b62fa18226c86c4a83b311b 100644
--- a/lib/libc/include/generic-glibc/sys/ioctl.h
+++ b/lib/libc/include/generic-glibc/sys/ioctl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_IOCTL_H
 #define	_SYS_IOCTL_H	1
diff --git a/lib/libc/include/generic-glibc/sys/ipc.h b/lib/libc/include/generic-glibc/sys/ipc.h
index 63e917a5619b646f06cd71dfeee5be4e3d8e513b..3815ee9809dde8cdb2776ddb012fe7d1d056554e 100644
--- a/lib/libc/include/generic-glibc/sys/ipc.h
+++ b/lib/libc/include/generic-glibc/sys/ipc.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IPC_H
 #define _SYS_IPC_H	1
diff --git a/lib/libc/include/generic-glibc/sys/kd.h b/lib/libc/include/generic-glibc/sys/kd.h
index 5288b63504eb448a26df91e8ee53e74c680450fd..322a646e1f87dd6a9d227b9604a60c4ef3450b3b 100644
--- a/lib/libc/include/generic-glibc/sys/kd.h
+++ b/lib/libc/include/generic-glibc/sys/kd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_KD_H
 #define _SYS_KD_H	1
diff --git a/lib/libc/include/generic-glibc/sys/klog.h b/lib/libc/include/generic-glibc/sys/klog.h
index 65d63e15a360a058387c7cfaa114f647e88fc675..ded0fc563cd258bd11f2850faca7513006ca9511 100644
--- a/lib/libc/include/generic-glibc/sys/klog.h
+++ b/lib/libc/include/generic-glibc/sys/klog.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_KLOG_H
 
diff --git a/lib/libc/include/generic-glibc/sys/mman.h b/lib/libc/include/generic-glibc/sys/mman.h
index a6ca6b2421584944f2a3209546b6c2fbbaa746f5..a6c19dba7994cda36ab57739bc285dfa78c3f098 100644
--- a/lib/libc/include/generic-glibc/sys/mman.h
+++ b/lib/libc/include/generic-glibc/sys/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for BSD-style memory management.
-   Copyright (C) 1994-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_MMAN_H
 #define	_SYS_MMAN_H	1
diff --git a/lib/libc/include/generic-glibc/sys/mount.h b/lib/libc/include/generic-glibc/sys/mount.h
index 0dad8fd43ad691f7c6456726b15c639b33dedc20..7e1e32bb739a056ade74d4c00f1862becb4033d7 100644
--- a/lib/libc/include/generic-glibc/sys/mount.h
+++ b/lib/libc/include/generic-glibc/sys/mount.h
@@ -1,5 +1,5 @@
 /* Header file for mounting/unmount Linux filesystems.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This is taken from /usr/include/linux/fs.h.  */
 
diff --git a/lib/libc/include/generic-glibc/sys/msg.h b/lib/libc/include/generic-glibc/sys/msg.h
index 66dd700aaecc31b6cc7e2b6664cf8e6c5152b8fe..d1b4fbe18bbbb7e4919a64c5cd6d3e4cecd1f456 100644
--- a/lib/libc/include/generic-glibc/sys/msg.h
+++ b/lib/libc/include/generic-glibc/sys/msg.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MSG_H
 #define _SYS_MSG_H
diff --git a/lib/libc/include/generic-glibc/sys/mtio.h b/lib/libc/include/generic-glibc/sys/mtio.h
index 5e4a21770513e74817b7e41e05c6c37a2c3edf23..6ddb4c80d00a374687d201a09094a846e1ec2c57 100644
--- a/lib/libc/include/generic-glibc/sys/mtio.h
+++ b/lib/libc/include/generic-glibc/sys/mtio.h
@@ -1,5 +1,5 @@
 /* Structures and definitions for magnetic tape I/O control commands.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Written by H. Bergman <hennus@cybercomm.nl>.  */
 
diff --git a/lib/libc/include/generic-glibc/sys/param.h b/lib/libc/include/generic-glibc/sys/param.h
index dce2138d07a790499a2c138c37fc41e1a0dbcd82..763994015e1f37308ed990d349b7cf56a7c897d6 100644
--- a/lib/libc/include/generic-glibc/sys/param.h
+++ b/lib/libc/include/generic-glibc/sys/param.h
@@ -1,5 +1,5 @@
 /* Compatibility header for old-style Unix parameters and limits.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PARAM_H
 #define _SYS_PARAM_H    1
diff --git a/lib/libc/include/generic-glibc/sys/pci.h b/lib/libc/include/generic-glibc/sys/pci.h
index 3fa1ec585b3ab9475423dd9167d3f9d47b926851..08944792a0df7f962a68117405755a6fd6c71822 100644
--- a/lib/libc/include/generic-glibc/sys/pci.h
+++ b/lib/libc/include/generic-glibc/sys/pci.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PCI_H
 #define _SYS_PCI_H	1
diff --git a/lib/libc/include/generic-glibc/sys/perm.h b/lib/libc/include/generic-glibc/sys/perm.h
index 1caa905489498871adf4089e2077cef685168b1a..9bb49a8decf3a509cda06078212ab42d83971fca 100644
--- a/lib/libc/include/generic-glibc/sys/perm.h
+++ b/lib/libc/include/generic-glibc/sys/perm.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PERM_H
 
diff --git a/lib/libc/include/generic-glibc/sys/personality.h b/lib/libc/include/generic-glibc/sys/personality.h
index 7fb977039fb0cb27c8d4b90506505a9d0a9c600d..bfb7c50deadda6677cabeba28a241ad75636db76 100644
--- a/lib/libc/include/generic-glibc/sys/personality.h
+++ b/lib/libc/include/generic-glibc/sys/personality.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Taken verbatim from Linux 2.6 (include/linux/personality.h).  */
 
diff --git a/lib/libc/include/generic-glibc/sys/platform/ppc.h b/lib/libc/include/generic-glibc/sys/platform/ppc.h
index 4697806a1a6b6f7b9f29bc65e7aead6e4fc682f1..235ac48d825716fb120ea5779821e9baf78ee0eb 100644
--- a/lib/libc/include/generic-glibc/sys/platform/ppc.h
+++ b/lib/libc/include/generic-glibc/sys/platform/ppc.h
@@ -1,5 +1,5 @@
 /* Facilities specific to the PowerPC architecture
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PLATFORM_PPC_H
 #define _SYS_PLATFORM_PPC_H	1
diff --git a/lib/libc/include/generic-glibc/sys/poll.h b/lib/libc/include/generic-glibc/sys/poll.h
index 31dfc07ce5451c234237705e1c5f7e9f17257a45..7df2e2e464d3ceed02a286b3b2405a2d9a4525e6 100644
--- a/lib/libc/include/generic-glibc/sys/poll.h
+++ b/lib/libc/include/generic-glibc/sys/poll.h
@@ -1,5 +1,5 @@
 /* Compatibility definitions for System V `poll' interface.
-   Copyright (C) 1994-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_POLL_H
 #define	_SYS_POLL_H	1
diff --git a/lib/libc/include/generic-glibc/sys/prctl.h b/lib/libc/include/generic-glibc/sys/prctl.h
index 994a8bee13373dde63707b1afe494d423a6f7624..086ebd2828ed57451693342de751503064600c6f 100644
--- a/lib/libc/include/generic-glibc/sys/prctl.h
+++ b/lib/libc/include/generic-glibc/sys/prctl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PRCTL_H
 #define _SYS_PRCTL_H	1
diff --git a/lib/libc/include/generic-glibc/sys/procfs.h b/lib/libc/include/generic-glibc/sys/procfs.h
index 22f46606d4a259428d3a863270d18af0ca8e4665..f76491c2e4646c0ecf6005cbaa39c57598bb1336 100644
--- a/lib/libc/include/generic-glibc/sys/procfs.h
+++ b/lib/libc/include/generic-glibc/sys/procfs.h
@@ -1,5 +1,5 @@
 /* Definitions for core files and libthread_db.  Generic Linux version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 #define _SYS_PROCFS_H	1
diff --git a/lib/libc/include/generic-glibc/sys/profil.h b/lib/libc/include/generic-glibc/sys/profil.h
index f4a12d930eb8b5fdb4dd3033673da9a861d5dca6..364c88cca43634ff448db4ce452bbf3a6d5a7b94 100644
--- a/lib/libc/include/generic-glibc/sys/profil.h
+++ b/lib/libc/include/generic-glibc/sys/profil.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _PROFIL_H
 #define _PROFIL_H	1
diff --git a/lib/libc/include/generic-glibc/sys/ptrace.h b/lib/libc/include/generic-glibc/sys/ptrace.h
index 96798ed23ee7b69c95c05a734cb0be90449f9069..b420fa1cbc891627e27d115a414e568611e7d9d0 100644
--- a/lib/libc/include/generic-glibc/sys/ptrace.h
+++ b/lib/libc/include/generic-glibc/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PTRACE_H
 #define _SYS_PTRACE_H	1
@@ -166,8 +166,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/generic-glibc/sys/quota.h b/lib/libc/include/generic-glibc/sys/quota.h
index ac1bac6f5b569a8f41cdeb1db072b8c54d1ad534..fda0a82f9216c158393241386a7e51c59d6bc985 100644
--- a/lib/libc/include/generic-glibc/sys/quota.h
+++ b/lib/libc/include/generic-glibc/sys/quota.h
@@ -1,5 +1,5 @@
 /* This just represents the non-kernel parts of <linux/quota.h>.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Copyright (c) 1982, 1986 Regents of the University of California.
diff --git a/lib/libc/include/generic-glibc/sys/random.h b/lib/libc/include/generic-glibc/sys/random.h
index 3fb74dea71cc1772ed5ae0fc6deb432849382463..1ef7b160dbe4391ae13c2eb9452cb7e02413475a 100644
--- a/lib/libc/include/generic-glibc/sys/random.h
+++ b/lib/libc/include/generic-glibc/sys/random.h
@@ -1,5 +1,5 @@
 /* Interfaces for obtaining random bytes.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_RANDOM_H
 #define _SYS_RANDOM_H 1
diff --git a/lib/libc/include/generic-glibc/sys/raw.h b/lib/libc/include/generic-glibc/sys/raw.h
index e29ecdba86e1149125bf29b32b4f24052ca7cbc9..d6cbab03e2118a7b6a61ea48b7dc6c5db43978ef 100644
--- a/lib/libc/include/generic-glibc/sys/raw.h
+++ b/lib/libc/include/generic-glibc/sys/raw.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_RAW_H
 #define _SYS_RAW_H	1
diff --git a/lib/libc/include/generic-glibc/sys/reboot.h b/lib/libc/include/generic-glibc/sys/reboot.h
index d70c3e2cd61940c51aa46d0935ed0580c5d26e5a..f5f4f0ccbbb8d70286058da7a0a69b4c834bd334 100644
--- a/lib/libc/include/generic-glibc/sys/reboot.h
+++ b/lib/libc/include/generic-glibc/sys/reboot.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This file should define RB_* macros to be used as flag
    bits in the argument to the `reboot' system call.  */
diff --git a/lib/libc/include/generic-glibc/sys/reg.h b/lib/libc/include/generic-glibc/sys/reg.h
index 3f02ddc8e238caa433f71d43ba0374d1ac2ccbc7..f470369646a27d475a61a05bf3dd428e056be450 100644
--- a/lib/libc/include/generic-glibc/sys/reg.h
+++ b/lib/libc/include/generic-glibc/sys/reg.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_REG_H
 #define _SYS_REG_H	1
diff --git a/lib/libc/include/generic-glibc/sys/regdef.h b/lib/libc/include/generic-glibc/sys/regdef.h
index d28efcf2b83ac80afd3634a632934a783537bd6a..a0dd8d1cd906db82283df482323b3c6fbb0ad11b 100644
--- a/lib/libc/include/generic-glibc/sys/regdef.h
+++ b/lib/libc/include/generic-glibc/sys/regdef.h
@@ -1,6 +1,5 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ralf Baechle <ralf@gnu.org>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -14,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_REGDEF_H
 #define _SYS_REGDEF_H
diff --git a/lib/libc/include/generic-glibc/sys/resource.h b/lib/libc/include/generic-glibc/sys/resource.h
index c4c495d702ab9fc9ebaf0eab6623ba8a20c3cc46..2c03a09032f10604603eb6fb0136b663bbab6876 100644
--- a/lib/libc/include/generic-glibc/sys/resource.h
+++ b/lib/libc/include/generic-glibc/sys/resource.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_RESOURCE_H
 #define	_SYS_RESOURCE_H	1
diff --git a/lib/libc/include/generic-glibc/sys/select.h b/lib/libc/include/generic-glibc/sys/select.h
index db01e6667761af0630a6e213e548ca59b801cc11..a08b500e77f33c19138433c3fd0eb5af4378eccb 100644
--- a/lib/libc/include/generic-glibc/sys/select.h
+++ b/lib/libc/include/generic-glibc/sys/select.h
@@ -1,5 +1,5 @@
 /* `fd_set' type and related macros, and `select'/`pselect' declarations.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*	POSIX 1003.1g: 6.2 Select from File Descriptor Sets <sys/select.h>  */
 
diff --git a/lib/libc/include/generic-glibc/sys/sem.h b/lib/libc/include/generic-glibc/sys/sem.h
index c6c07dc22e318ed7ea6b9bd965c13d382192c0cb..dde24cc0331678dacd4cca464bb6866365f7ac65 100644
--- a/lib/libc/include/generic-glibc/sys/sem.h
+++ b/lib/libc/include/generic-glibc/sys/sem.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 #define _SYS_SEM_H	1
diff --git a/lib/libc/include/generic-glibc/sys/sendfile.h b/lib/libc/include/generic-glibc/sys/sendfile.h
index 108b368650f8164bfe06658db45753ac5f3d645a..76d4f4dcc49f76016e28ed32d519c3d6dcba7169 100644
--- a/lib/libc/include/generic-glibc/sys/sendfile.h
+++ b/lib/libc/include/generic-glibc/sys/sendfile.h
@@ -1,5 +1,5 @@
 /* sendfile -- copy data directly from one file descriptor to another
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SENDFILE_H
 #define _SYS_SENDFILE_H	1
diff --git a/lib/libc/include/generic-glibc/sys/shm.h b/lib/libc/include/generic-glibc/sys/shm.h
index e59c210931cbe87aa48b2b3a5f662c2b5f647b01..fdab282b74e740d984920c5c39f5559faafba17a 100644
--- a/lib/libc/include/generic-glibc/sys/shm.h
+++ b/lib/libc/include/generic-glibc/sys/shm.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 #define _SYS_SHM_H	1
diff --git a/lib/libc/include/generic-glibc/sys/signalfd.h b/lib/libc/include/generic-glibc/sys/signalfd.h
index 602c67b85850e6d30c4219c95e93a47ca5d87f5c..0f47e089c861c011e8e7c09890def1005ba39658 100644
--- a/lib/libc/include/generic-glibc/sys/signalfd.h
+++ b/lib/libc/include/generic-glibc/sys/signalfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_SIGNALFD_H
 #define	_SYS_SIGNALFD_H	1
diff --git a/lib/libc/include/generic-glibc/sys/socket.h b/lib/libc/include/generic-glibc/sys/socket.h
index 01598993a5ef9f8b4672f0b2189942e26a109991..36871ba0fed2942e63c70707f67f7d5e4ff668e7 100644
--- a/lib/libc/include/generic-glibc/sys/socket.h
+++ b/lib/libc/include/generic-glibc/sys/socket.h
@@ -1,5 +1,5 @@
 /* Declarations of socket constants, types, and functions.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_SOCKET_H
 #define	_SYS_SOCKET_H	1
diff --git a/lib/libc/include/generic-glibc/sys/stat.h b/lib/libc/include/generic-glibc/sys/stat.h
index 1b50da1b47f0ee609b52c92e5af64e65bfc314d4..efb35dc1e54279e11ab1b54b0ca779d04b581398 100644
--- a/lib/libc/include/generic-glibc/sys/stat.h
+++ b/lib/libc/include/generic-glibc/sys/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 5.6 File Characteristics	<sys/stat.h>
diff --git a/lib/libc/include/generic-glibc/sys/statfs.h b/lib/libc/include/generic-glibc/sys/statfs.h
index d3c1071f7921ea9bf7e8c71ba82b086403beb86f..98e4d90612858d3432057994d5cfd19073fa4fcb 100644
--- a/lib/libc/include/generic-glibc/sys/statfs.h
+++ b/lib/libc/include/generic-glibc/sys/statfs.h
@@ -1,5 +1,5 @@
 /* Definitions for getting information about a filesystem.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_STATFS_H
 #define	_SYS_STATFS_H	1
diff --git a/lib/libc/include/generic-glibc/sys/statvfs.h b/lib/libc/include/generic-glibc/sys/statvfs.h
index 5324cfe99ad6f76723471705821acb1610636144..e5798e42952f9f3f01217cc1ff25f87f405870a7 100644
--- a/lib/libc/include/generic-glibc/sys/statvfs.h
+++ b/lib/libc/include/generic-glibc/sys/statvfs.h
@@ -1,5 +1,5 @@
 /* Definitions for getting information about a filesystem.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_STATVFS_H
 #define	_SYS_STATVFS_H	1
diff --git a/lib/libc/include/generic-glibc/sys/swap.h b/lib/libc/include/generic-glibc/sys/swap.h
index 43558d68a765047fb42651c0959adf38d9a4eca5..a60b3018bd9d61876c4864bc1a79ec47687f5e53 100644
--- a/lib/libc/include/generic-glibc/sys/swap.h
+++ b/lib/libc/include/generic-glibc/sys/swap.h
@@ -1,5 +1,5 @@
 /* Calls to enable and disable swapping on specified locations.  Linux version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SWAP_H
 
diff --git a/lib/libc/include/generic-glibc/sys/syscall.h b/lib/libc/include/generic-glibc/sys/syscall.h
index 4d98b1f1771ace611dda28523d8c3643ea7cc937..bb77d6427a4fa0d92c843ae30433d805a1d0a11a 100644
--- a/lib/libc/include/generic-glibc/sys/syscall.h
+++ b/lib/libc/include/generic-glibc/sys/syscall.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYSCALL_H
 #define _SYSCALL_H	1
@@ -23,12 +23,9 @@
    from the kernel sources.  */
 #include <asm/unistd.h>
 
-#ifndef _LIBC
-/* The Linux kernel header file defines macros `__NR_<name>', but some
-   programs expect the traditional form `SYS_<name>'.  So in building libc
-   we scan the kernel's list and produce <bits/syscall.h> with macros for
-   all the `SYS_' names.  */
-# include <bits/syscall.h>
-#endif
+/* The Linux kernel header file defines macros __NR_*, but some
+   programs expect the traditional form SYS_*.  <bits/syscall.h>
+   defines SYS_* macros for __NR_* macros of known names.  */
+#include <bits/syscall.h>
 
 #endif
\ No newline at end of file
diff --git a/lib/libc/include/generic-glibc/sys/sysctl.h b/lib/libc/include/generic-glibc/sys/sysctl.h
index 9af38782b66a9210f957723b8dd0e29e6fdb51c8..e8def66c8868dc751be91e8c34b90fcd0c3e13c3 100644
--- a/lib/libc/include/generic-glibc/sys/sysctl.h
+++ b/lib/libc/include/generic-glibc/sys/sysctl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_SYSCTL_H
 #define	_SYS_SYSCTL_H	1
diff --git a/lib/libc/include/generic-glibc/sys/sysinfo.h b/lib/libc/include/generic-glibc/sys/sysinfo.h
index 364684b0eedf9ac1e6fbbc91e3adb1c8ce50915a..fb4e42c4947fd544f8403f8bd4a21f86caec7c09 100644
--- a/lib/libc/include/generic-glibc/sys/sysinfo.h
+++ b/lib/libc/include/generic-glibc/sys/sysinfo.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SYSINFO_H
 #define _SYS_SYSINFO_H	1
diff --git a/lib/libc/include/generic-glibc/sys/sysmacros.h b/lib/libc/include/generic-glibc/sys/sysmacros.h
index a623d52fc63c79292d8e6f419f4b2d9e0d01ee0a..99143434117180dbdc03835b8c597c0ebfbf1991 100644
--- a/lib/libc/include/generic-glibc/sys/sysmacros.h
+++ b/lib/libc/include/generic-glibc/sys/sysmacros.h
@@ -1,5 +1,5 @@
 /* Definitions of macros to access `dev_t' values.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SYSMACROS_H
 #define _SYS_SYSMACROS_H 1
diff --git a/lib/libc/include/generic-glibc/sys/sysmips.h b/lib/libc/include/generic-glibc/sys/sysmips.h
index fd84d70fe2d33e115f40f580aae9e4c45bac1050..c24b8ebccb20f98b739b2cd7a9f639c07bb848fc 100644
--- a/lib/libc/include/generic-glibc/sys/sysmips.h
+++ b/lib/libc/include/generic-glibc/sys/sysmips.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SYSMIPS_H
 #define _SYS_SYSMIPS_H 1
diff --git a/lib/libc/include/generic-glibc/sys/tas.h b/lib/libc/include/generic-glibc/sys/tas.h
index 28762068aac8623b90f1425c3c65a326659d3917..0f8974544a306bab3feb211569ae75c5231e1354 100644
--- a/lib/libc/include/generic-glibc/sys/tas.h
+++ b/lib/libc/include/generic-glibc/sys/tas.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Maciej W. Rozycki <macro@ds2.pg.gda.pl>, 2000.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_TAS_H
 #define _SYS_TAS_H 1
diff --git a/lib/libc/include/generic-glibc/sys/time.h b/lib/libc/include/generic-glibc/sys/time.h
index a70f3814acee3671b994cc6b2e518cbd3f1dae59..59a5298c0207115318e36197315f93ab578b596c 100644
--- a/lib/libc/include/generic-glibc/sys/time.h
+++ b/lib/libc/include/generic-glibc/sys/time.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_TIME_H
 #define _SYS_TIME_H	1
@@ -54,23 +54,24 @@ struct timezone
     int tz_minuteswest;		/* Minutes west of GMT.  */
     int tz_dsttime;		/* Nonzero if DST is ever in effect.  */
   };
-
-typedef struct timezone *__restrict __timezone_ptr_t;
-#else
-typedef void *__restrict __timezone_ptr_t;
 #endif
 
-/* Get the current time of day and timezone information,
-   putting it into *TV and *TZ.  If TZ is NULL, *TZ is not filled.
-   Returns 0 on success, -1 on errors.
-   NOTE: This form of timezone information is obsolete.
-   Use the functions and variables declared in <time.h> instead.  */
+/* Get the current time of day, putting it into *TV.
+   If TZ is not null, *TZ must be a struct timezone, and both fields
+   will be set to zero.
+   Calling this function with a non-null TZ is obsolete;
+   use localtime etc. instead.
+   This function itself is semi-obsolete;
+   most callers should use time or clock_gettime instead. */
 extern int gettimeofday (struct timeval *__restrict __tv,
-			 __timezone_ptr_t __tz) __THROW __nonnull ((1));
+			 void *__restrict __tz) __THROW __nonnull ((1));
 
 #ifdef __USE_MISC
 /* Set the current time of day and timezone information.
-   This call is restricted to the super-user.  */
+   This call is restricted to the super-user.
+   Setting the timezone in this way is obsolete, but we don't yet
+   warn about it because it still has some uses for which there is
+   no alternative.  */
 extern int settimeofday (const struct timeval *__tv,
 			 const struct timezone *__tz)
      __THROW;
diff --git a/lib/libc/include/generic-glibc/sys/timeb.h b/lib/libc/include/generic-glibc/sys/timeb.h
index 1a7089f6fdc2080b2edd4f7e7e927dd4255c18f7..3134096ea34ac220f30de4d58ca5e437ab80aef6 100644
--- a/lib/libc/include/generic-glibc/sys/timeb.h
+++ b/lib/libc/include/generic-glibc/sys/timeb.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1994-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_TIMEB_H
 #define _SYS_TIMEB_H	1
@@ -36,7 +36,8 @@ struct timeb
 
 /* Fill in TIMEBUF with information about the current time.  */
 
-extern int ftime (struct timeb *__timebuf);
+extern int ftime (struct timeb *__timebuf)
+  __nonnull ((1)) __attribute_deprecated__;
 
 __END_DECLS
 
diff --git a/lib/libc/include/generic-glibc/sys/timerfd.h b/lib/libc/include/generic-glibc/sys/timerfd.h
index 4e535c29b0f59de879207385f73ff8037f7dc316..8d06ea745005bf7ef644a3e429fdb3bf84e63dba 100644
--- a/lib/libc/include/generic-glibc/sys/timerfd.h
+++ b/lib/libc/include/generic-glibc/sys/timerfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_TIMERFD_H
 #define	_SYS_TIMERFD_H	1
diff --git a/lib/libc/include/generic-glibc/sys/times.h b/lib/libc/include/generic-glibc/sys/times.h
index c64844865b9def556012eccf4356afa9d9011c3a..00cb60f1397319e875d9a647102036575ae4ded6 100644
--- a/lib/libc/include/generic-glibc/sys/times.h
+++ b/lib/libc/include/generic-glibc/sys/times.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 4.5.2 Process Times	<sys/times.h>
diff --git a/lib/libc/include/generic-glibc/sys/timex.h b/lib/libc/include/generic-glibc/sys/timex.h
index e469d8237ca9c732c72f1ba40295ecb637134272..04f8ee5e5cab820e0b85063b8e5ae690fd88ec2e 100644
--- a/lib/libc/include/generic-glibc/sys/timex.h
+++ b/lib/libc/include/generic-glibc/sys/timex.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_TIMEX_H
 #define	_SYS_TIMEX_H	1
diff --git a/lib/libc/include/generic-glibc/sys/types.h b/lib/libc/include/generic-glibc/sys/types.h
index c7728532fd76234f3df23b7f6e06a1d4dc30cff0..d27b28f769b274ac0d3deef9566d74e65a643e91 100644
--- a/lib/libc/include/generic-glibc/sys/types.h
+++ b/lib/libc/include/generic-glibc/sys/types.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 2.6 Primitive System Data Types	<sys/types.h>
diff --git a/lib/libc/include/generic-glibc/sys/ucontext.h b/lib/libc/include/generic-glibc/sys/ucontext.h
index de2e9206e800050b32e9a5907a6a9b67c9f40cbd..dfd6641750453bdc25fa9d3e7ace0510e79f31cd 100644
--- a/lib/libc/include/generic-glibc/sys/ucontext.h
+++ b/lib/libc/include/generic-glibc/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.  This file is part of the GNU C Library.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.  This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -12,7 +12,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Don't rely on this, the interface is currently messed up and may need to
    be broken to be fixed.  */
diff --git a/lib/libc/include/generic-glibc/sys/uio.h b/lib/libc/include/generic-glibc/sys/uio.h
index 1ed202cb1c3da455837f0fb3cbbf60a8a67e885f..57a7abdd37eab0e1cf4aa5652a6e675438002754 100644
--- a/lib/libc/include/generic-glibc/sys/uio.h
+++ b/lib/libc/include/generic-glibc/sys/uio.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_UIO_H
 #define _SYS_UIO_H	1
diff --git a/lib/libc/include/generic-glibc/sys/un.h b/lib/libc/include/generic-glibc/sys/un.h
index d29209d0bc0c92c1cde744075b998a2d1a52bf6b..9f8f35dd2f5c9fcfa9e933b853b42f8a7fdb7035 100644
--- a/lib/libc/include/generic-glibc/sys/un.h
+++ b/lib/libc/include/generic-glibc/sys/un.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_UN_H
 #define	_SYS_UN_H	1
diff --git a/lib/libc/include/generic-glibc/sys/user.h b/lib/libc/include/generic-glibc/sys/user.h
index 375540a114cc82ebc9c01fe631005289409e572f..bfe83781cd952d10b41842089e75f953ab5a792f 100644
--- a/lib/libc/include/generic-glibc/sys/user.h
+++ b/lib/libc/include/generic-glibc/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 #define _SYS_USER_H	1
diff --git a/lib/libc/include/generic-glibc/sys/utsname.h b/lib/libc/include/generic-glibc/sys/utsname.h
index d5bc376107aeb0933a61c71ec9c2bf27bd9344b8..8ecc09263ae4446fe9d4b6b1c76b11c70788f3f4 100644
--- a/lib/libc/include/generic-glibc/sys/utsname.h
+++ b/lib/libc/include/generic-glibc/sys/utsname.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 4.4 System Identification	<sys/utsname.h>
diff --git a/lib/libc/include/generic-glibc/sys/vlimit.h b/lib/libc/include/generic-glibc/sys/vlimit.h
index ae952be532fd7a0da7b50612703f8a754ab389f0..a7fd78a61a6f4fc8ef3df001705a3b5ff2c57350 100644
--- a/lib/libc/include/generic-glibc/sys/vlimit.h
+++ b/lib/libc/include/generic-glibc/sys/vlimit.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_VLIMIT_H
 #define _SYS_VLIMIT_H	1
diff --git a/lib/libc/include/generic-glibc/sys/vm86.h b/lib/libc/include/generic-glibc/sys/vm86.h
index b05aa000d1272db6e2a1f92d866a1ce6969c268b..dfc5c5311bca106f0ff309c4600d920358a13f90 100644
--- a/lib/libc/include/generic-glibc/sys/vm86.h
+++ b/lib/libc/include/generic-glibc/sys/vm86.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_VM86_H
 
diff --git a/lib/libc/include/generic-glibc/sys/vtimes.h b/lib/libc/include/generic-glibc/sys/vtimes.h
index a054f7e3ca4a0f390bc19ac36ac694a226ea18f1..048270d4dd2de56243ad45b00a1ece33c8185b48 100644
--- a/lib/libc/include/generic-glibc/sys/vtimes.h
+++ b/lib/libc/include/generic-glibc/sys/vtimes.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_VTIMES_H
 #define _SYS_VTIMES_H	1
diff --git a/lib/libc/include/generic-glibc/sys/wait.h b/lib/libc/include/generic-glibc/sys/wait.h
index 8b1487070a28f76c6d95d30ee7bb16d9cba369bc..243761492287feae05bb45defd335785bb4ac5ec 100644
--- a/lib/libc/include/generic-glibc/sys/wait.h
+++ b/lib/libc/include/generic-glibc/sys/wait.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 3.2.1 Wait for Process Termination	<sys/wait.h>
diff --git a/lib/libc/include/generic-glibc/sys/xattr.h b/lib/libc/include/generic-glibc/sys/xattr.h
index 2e08206dc4a156d3073aa345e310e71abcbd1776..608d956b2064b8decfeea59e3b63e8b9d99d466d 100644
--- a/lib/libc/include/generic-glibc/sys/xattr.h
+++ b/lib/libc/include/generic-glibc/sys/xattr.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_XATTR_H
 #define _SYS_XATTR_H	1
diff --git a/lib/libc/include/generic-glibc/tar.h b/lib/libc/include/generic-glibc/tar.h
index 1427bf1722d5c0033093b5f20ca455fb0b8fd503..4b4d5b7e51f6b078f4cef07286b51fb7ce4dc2a8 100644
--- a/lib/libc/include/generic-glibc/tar.h
+++ b/lib/libc/include/generic-glibc/tar.h
@@ -1,5 +1,5 @@
 /* Extended tar format from POSIX.1.
-   Copyright (C) 1992-2019 Free Software Foundation, Inc.
+   Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by David J. MacKenzie.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_TAR_H
 #define	_TAR_H	1
diff --git a/lib/libc/include/generic-glibc/termios.h b/lib/libc/include/generic-glibc/termios.h
index 6f481b0d8858ab06f9920203bdbebfe3ef52c043..ac8da1c731cbff9caa6278c146457778e266212a 100644
--- a/lib/libc/include/generic-glibc/termios.h
+++ b/lib/libc/include/generic-glibc/termios.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 7.1-2 General Terminal Interface	<termios.h>
diff --git a/lib/libc/include/generic-glibc/tgmath.h b/lib/libc/include/generic-glibc/tgmath.h
index 3b5c7927831fb3597a6772103a088fbd3d4ac3f9..a5daa91c87bcc2f9daabffd4e9d9bf8abba31f0c 100644
--- a/lib/libc/include/generic-glibc/tgmath.h
+++ b/lib/libc/include/generic-glibc/tgmath.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.22 Type-generic math	<tgmath.h>
@@ -43,6 +43,25 @@
 
 #if __GNUC_PREREQ (2, 7)
 
+/* Certain cases of narrowing macros only need to call a single
+   function so cannot use __builtin_tgmath and do not need any
+   complicated logic.  */
+# if __HAVE_FLOAT128X
+#  error "Unsupported _Float128x type for <tgmath.h>."
+# endif
+# if ((__HAVE_FLOAT64X && !__HAVE_FLOAT128)		\
+      || (__HAVE_FLOAT128 && !__HAVE_FLOAT64X))
+#  error "Unsupported combination of types for <tgmath.h>."
+# endif
+# define __TGMATH_2_NARROW_D(F, X, Y)		\
+  (F ## l (X, Y))
+# define __TGMATH_2_NARROW_F64X(F, X, Y)	\
+  (F ## f128 (X, Y))
+# if !__HAVE_FLOAT128
+#  define __TGMATH_2_NARROW_F32X(F, X, Y)	\
+  (F ## f64 (X, Y))
+# endif
+
 # if __HAVE_BUILTIN_TGMATH
 
 #  if __HAVE_FLOAT16 && __GLIBC_USE (IEC_60559_TYPES_EXT)
@@ -94,6 +113,33 @@
 #  define __TGMATH_2C(F, C, X, Y) __builtin_tgmath (__TGMATH_RCFUNCS (F, C) \
 						    (X), (Y))
 
+#  define __TGMATH_NARROW_FUNCS_F(X) X, X ## l,
+#  define __TGMATH_NARROW_FUNCS_F16(X)				\
+    __TG_F32_ARG (X) __TG_F64_ARG (X) __TG_F128_ARG (X)		\
+    __TG_F32X_ARG (X) __TG_F64X_ARG (X) __TG_F128X_ARG (X)
+#  define __TGMATH_NARROW_FUNCS_F32(X)				\
+    __TG_F64_ARG (X) __TG_F128_ARG (X)				\
+    __TG_F32X_ARG (X) __TG_F64X_ARG (X) __TG_F128X_ARG (X)
+#  define __TGMATH_NARROW_FUNCS_F64(X)		\
+    __TG_F128_ARG (X)				\
+    __TG_F64X_ARG (X) __TG_F128X_ARG (X)
+#  define __TGMATH_NARROW_FUNCS_F32X(X)		\
+    __TG_F64X_ARG (X) __TG_F128X_ARG (X)	\
+    __TG_F64_ARG (X) __TG_F128_ARG (X)
+
+#  define __TGMATH_2_NARROW_F(F, X, Y)				\
+  __builtin_tgmath (__TGMATH_NARROW_FUNCS_F (F) (X), (Y))
+#  define __TGMATH_2_NARROW_F16(F, X, Y)			\
+  __builtin_tgmath (__TGMATH_NARROW_FUNCS_F16 (F) (X), (Y))
+#  define __TGMATH_2_NARROW_F32(F, X, Y)			\
+  __builtin_tgmath (__TGMATH_NARROW_FUNCS_F32 (F) (X), (Y))
+#  define __TGMATH_2_NARROW_F64(F, X, Y)			\
+  __builtin_tgmath (__TGMATH_NARROW_FUNCS_F64 (F) (X), (Y))
+#  if __HAVE_FLOAT128
+#   define __TGMATH_2_NARROW_F32X(F, X, Y)			\
+  __builtin_tgmath (__TGMATH_NARROW_FUNCS_F32X (F) (X), (Y))
+#  endif
+
 # else /* !__HAVE_BUILTIN_TGMATH.  */
 
 #  ifdef __NO_LONG_DOUBLE_MATH
@@ -230,8 +276,6 @@
   __TGMATH_2 (Fct, (Val1), (Val2))
 #  define __TGMATH_BINARY_REAL_STD_ONLY(Val1, Val2, Fct)	\
   __TGMATH_2STD (Fct, (Val1), (Val2))
-#  define __TGMATH_BINARY_REAL_RET_ONLY(Val1, Val2, Fct)	\
-  __TGMATH_2 (Fct, (Val1), (Val2))
 #  define __TGMATH_TERNARY_FIRST_SECOND_REAL_ONLY(Val1, Val2, Val3, Fct) \
   __TGMATH_3 (Fct, (Val1), (Val2), (Val3))
 #  define __TGMATH_TERNARY_REAL_ONLY(Val1, Val2, Val3, Fct)	\
@@ -326,18 +370,6 @@
 				   + (__tgmath_real_type (Val2)) 0))	      \
 		       Fct##f (Val1, Val2)))
 
-#  define __TGMATH_BINARY_REAL_RET_ONLY(Val1, Val2, Fct) \
-     (__extension__ ((sizeof ((Val1) + (Val2)) > sizeof (double)	      \
-		      && __builtin_classify_type ((Val1) + (Val2)) == 8)      \
-		     ? __TGMATH_F128 ((Val1) + (Val2), Fct, (Val1, Val2))     \
-		     __tgml(Fct) (Val1, Val2)				      \
-		     : (sizeof (+(Val1)) == sizeof (double)		      \
-			|| sizeof (+(Val2)) == sizeof (double)		      \
-			|| __builtin_classify_type (Val1) != 8		      \
-			|| __builtin_classify_type (Val2) != 8)		      \
-		     ? Fct (Val1, Val2)					      \
-		     : Fct##f (Val1, Val2)))
-
 #  define __TGMATH_TERNARY_FIRST_SECOND_REAL_ONLY(Val1, Val2, Val3, Fct) \
      (__extension__ ((sizeof ((Val1) + (Val2)) > sizeof (double)	      \
 		      && __builtin_classify_type ((Val1) + (Val2)) == 8)      \
@@ -507,6 +539,65 @@
 			: (__typeof ((__tgmath_complex_type (Val1)) 0	      \
 				   + (__tgmath_complex_type (Val2)) 0))	      \
 			  Cfct##f (Val1, Val2))))
+
+#  define __TGMATH_2_NARROW_F(F, X, Y)					\
+  (__extension__ (sizeof ((__tgmath_real_type (X)) 0			\
+			  + (__tgmath_real_type (Y)) 0) > sizeof (double) \
+		  ? F ## l (X, Y)					\
+		  : F (X, Y)))
+/* In most cases, these narrowing macro definitions based on sizeof
+   ensure that the function called has the right argument format, as
+   for other <tgmath.h> macros for compilers before GCC 8, but may not
+   have exactly the argument type (among the types with that format)
+   specified in the standard logic.
+
+   In the case of macros for _Float32x return type, when _Float64x
+   exists, _Float64 arguments should result in the *f64 function being
+   called while _Float32x arguments should result in the *f64x
+   function being called.  These cases cannot be distinguished using
+   sizeof (or at all if the types are typedefs rather than different
+   types).  However, for these functions it is OK (does not affect the
+   final result) to call a function with any argument format at least
+   as wide as all the floating-point arguments, unless that affects
+   rounding of integer arguments.  Integer arguments are considered to
+   have type _Float64, so the *f64 functions are preferred for f32x*
+   macros when no argument has a wider floating-point type.  */
+#  if __HAVE_FLOAT64X_LONG_DOUBLE && __HAVE_DISTINCT_FLOAT128
+#   define __TGMATH_2_NARROW_F32(F, X, Y)				\
+  (__extension__ (sizeof ((__tgmath_real_type (X)) 0			\
+			  + (__tgmath_real_type (Y)) 0) > sizeof (_Float64) \
+		  ? __TGMATH_F128 ((X) + (Y), F, (X, Y))		\
+		  F ## f64x (X, Y)					\
+		  : F ## f64 (X, Y)))
+#   define __TGMATH_2_NARROW_F64(F, X, Y)				\
+  (__extension__ (sizeof ((__tgmath_real_type (X)) 0			\
+			  + (__tgmath_real_type (Y)) 0) > sizeof (_Float64) \
+		  ? __TGMATH_F128 ((X) + (Y), F, (X, Y))		\
+		  F ## f64x (X, Y)					\
+		  : F ## f128 (X, Y)))
+#   define __TGMATH_2_NARROW_F32X(F, X, Y)				\
+  (__extension__ (sizeof ((__tgmath_real_type (X)) 0			\
+			  + (__tgmath_real_type (Y)) 0) > sizeof (_Float64) \
+		  ? __TGMATH_F128 ((X) + (Y), F, (X, Y))		\
+		  F ## f64x (X, Y)					\
+		  : F ## f64 (X, Y)))
+#  elif __HAVE_FLOAT128
+#   define __TGMATH_2_NARROW_F32(F, X, Y)				\
+  (__extension__ (sizeof ((__tgmath_real_type (X)) 0			\
+			  + (__tgmath_real_type (Y)) 0) > sizeof (_Float64) \
+		  ? F ## f128 (X, Y)					\
+		  : F ## f64 (X, Y)))
+#   define __TGMATH_2_NARROW_F64(F, X, Y)	\
+  (F ## f128 (X, Y))
+#   define __TGMATH_2_NARROW_F32X(F, X, Y)				\
+  (__extension__ (sizeof ((__tgmath_real_type (X)) 0			\
+			  + (__tgmath_real_type (Y)) 0) > sizeof (_Float32x) \
+		  ? F ## f64x (X, Y)					\
+		  : F ## f64 (X, Y)))
+#  else
+#   define __TGMATH_2_NARROW_F32(F, X, Y)	\
+  (F ## f64 (X, Y))
+#  endif
 # endif /* !__HAVE_BUILTIN_TGMATH.  */
 #else
 # error "Unsupported compiler; you cannot use <tgmath.h>"
@@ -661,7 +752,7 @@
    prevailing rounding mode.  */
 #define rint(Val) __TGMATH_UNARY_REAL_ONLY (Val, rint)
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Return X - epsilon.  */
 # define nextdown(Val) __TGMATH_UNARY_REAL_ONLY (Val, nextdown)
 /* Return X + epsilon.  */
@@ -706,7 +797,7 @@
 #define fma(Val1, Val2, Val3) \
      __TGMATH_TERNARY_REAL_ONLY (Val1, Val2, Val3, fma)
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Round X to nearest integer value, rounding halfway cases to even.  */
 # define roundeven(Val) __TGMATH_UNARY_REAL_ONLY (Val, roundeven)
 
@@ -730,14 +821,6 @@
 
 /* Return value with minimum magnitude.  */
 # define fminmag(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, fminmag)
-
-/* Total order operation.  */
-# define totalorder(Val1, Val2)					\
-  __TGMATH_BINARY_REAL_RET_ONLY (Val1, Val2, totalorder)
-
-/* Total order operation on absolute values.  */
-# define totalordermag(Val1, Val2)				\
-  __TGMATH_BINARY_REAL_RET_ONLY (Val1, Val2, totalordermag)
 #endif
 
 
@@ -761,4 +844,66 @@
 /* Real part of Z.  */
 #define creal(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL_SAME (Val, creal)
 
+
+/* Narrowing functions.  */
+
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
+
+/* Add.  */
+# define fadd(Val1, Val2) __TGMATH_2_NARROW_F (fadd, Val1, Val2)
+# define dadd(Val1, Val2) __TGMATH_2_NARROW_D (dadd, Val1, Val2)
+
+/* Divide.  */
+# define fdiv(Val1, Val2) __TGMATH_2_NARROW_F (fdiv, Val1, Val2)
+# define ddiv(Val1, Val2) __TGMATH_2_NARROW_D (ddiv, Val1, Val2)
+
+/* Multiply.  */
+# define fmul(Val1, Val2) __TGMATH_2_NARROW_F (fmul, Val1, Val2)
+# define dmul(Val1, Val2) __TGMATH_2_NARROW_D (dmul, Val1, Val2)
+
+/* Subtract.  */
+# define fsub(Val1, Val2) __TGMATH_2_NARROW_F (fsub, Val1, Val2)
+# define dsub(Val1, Val2) __TGMATH_2_NARROW_D (dsub, Val1, Val2)
+
+#endif
+
+#if __GLIBC_USE (IEC_60559_TYPES_EXT)
+
+# if __HAVE_FLOAT16
+#  define f16add(Val1, Val2) __TGMATH_2_NARROW_F16 (f16add, Val1, Val2)
+#  define f16div(Val1, Val2) __TGMATH_2_NARROW_F16 (f16div, Val1, Val2)
+#  define f16mul(Val1, Val2) __TGMATH_2_NARROW_F16 (f16mul, Val1, Val2)
+#  define f16sub(Val1, Val2) __TGMATH_2_NARROW_F16 (f16sub, Val1, Val2)
+# endif
+
+# if __HAVE_FLOAT32
+#  define f32add(Val1, Val2) __TGMATH_2_NARROW_F32 (f32add, Val1, Val2)
+#  define f32div(Val1, Val2) __TGMATH_2_NARROW_F32 (f32div, Val1, Val2)
+#  define f32mul(Val1, Val2) __TGMATH_2_NARROW_F32 (f32mul, Val1, Val2)
+#  define f32sub(Val1, Val2) __TGMATH_2_NARROW_F32 (f32sub, Val1, Val2)
+# endif
+
+# if __HAVE_FLOAT64 && (__HAVE_FLOAT64X || __HAVE_FLOAT128)
+#  define f64add(Val1, Val2) __TGMATH_2_NARROW_F64 (f64add, Val1, Val2)
+#  define f64div(Val1, Val2) __TGMATH_2_NARROW_F64 (f64div, Val1, Val2)
+#  define f64mul(Val1, Val2) __TGMATH_2_NARROW_F64 (f64mul, Val1, Val2)
+#  define f64sub(Val1, Val2) __TGMATH_2_NARROW_F64 (f64sub, Val1, Val2)
+# endif
+
+# if __HAVE_FLOAT32X
+#  define f32xadd(Val1, Val2) __TGMATH_2_NARROW_F32X (f32xadd, Val1, Val2)
+#  define f32xdiv(Val1, Val2) __TGMATH_2_NARROW_F32X (f32xdiv, Val1, Val2)
+#  define f32xmul(Val1, Val2) __TGMATH_2_NARROW_F32X (f32xmul, Val1, Val2)
+#  define f32xsub(Val1, Val2) __TGMATH_2_NARROW_F32X (f32xsub, Val1, Val2)
+# endif
+
+# if __HAVE_FLOAT64X && (__HAVE_FLOAT128X || __HAVE_FLOAT128)
+#  define f64xadd(Val1, Val2) __TGMATH_2_NARROW_F64X (f64xadd, Val1, Val2)
+#  define f64xdiv(Val1, Val2) __TGMATH_2_NARROW_F64X (f64xdiv, Val1, Val2)
+#  define f64xmul(Val1, Val2) __TGMATH_2_NARROW_F64X (f64xmul, Val1, Val2)
+#  define f64xsub(Val1, Val2) __TGMATH_2_NARROW_F64X (f64xsub, Val1, Val2)
+# endif
+
+#endif
+
 #endif /* tgmath.h */
\ No newline at end of file
diff --git a/lib/libc/include/generic-glibc/thread_db.h b/lib/libc/include/generic-glibc/thread_db.h
index 9b07bc2a7df9e2175d66105cd6f0ccbf0011f5a5..e26656953efcf8988fc56dfb48cc103a2ee4b822 100644
--- a/lib/libc/include/generic-glibc/thread_db.h
+++ b/lib/libc/include/generic-glibc/thread_db.h
@@ -1,5 +1,5 @@
 /* thread_db.h -- interface to libthread_db.so library for debugging -lpthread
-   Copyright (C) 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _THREAD_DB_H
 #define _THREAD_DB_H	1
diff --git a/lib/libc/include/generic-glibc/threads.h b/lib/libc/include/generic-glibc/threads.h
index e6dd2342b2c804cb71bb4db2c46aede3a46124f7..212eac67ef5337a20d48be14488de5fb9d825aad 100644
--- a/lib/libc/include/generic-glibc/threads.h
+++ b/lib/libc/include/generic-glibc/threads.h
@@ -1,5 +1,5 @@
 /* ISO C11 Standard: 7.26 - Thread support library  <threads.h>.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _THREADS_H
 #define _THREADS_H	1
diff --git a/lib/libc/include/generic-glibc/time.h b/lib/libc/include/generic-glibc/time.h
index 57a7a7b3813e1089538c03cbeed25c166e763b75..afaf50c1d65af903a6fbe015d0995b39f19e44b8 100644
--- a/lib/libc/include/generic-glibc/time.h
+++ b/lib/libc/include/generic-glibc/time.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.23 Date and time	<time.h>
@@ -122,7 +122,7 @@ extern struct tm *gmtime (const time_t *__timer) __THROW;
    of *TIMER in the local timezone.  */
 extern struct tm *localtime (const time_t *__timer) __THROW;
 
-#ifdef __USE_POSIX
+#if defined __USE_POSIX || __GLIBC_USE (ISOC2X)
 /* Return the `struct tm' representation of *TIMER in UTC,
    using *TP to store the result.  */
 extern struct tm *gmtime_r (const time_t *__restrict __timer,
@@ -132,7 +132,7 @@ extern struct tm *gmtime_r (const time_t *__restrict __timer,
    using *TP to store the result.  */
 extern struct tm *localtime_r (const time_t *__restrict __timer,
 			       struct tm *__restrict __tp) __THROW;
-#endif	/* POSIX */
+#endif	/* POSIX || C2X */
 
 /* Return a string of the form "Day Mon dd hh:mm:ss yyyy\n"
    that is the representation of TP in this format.  */
@@ -141,7 +141,7 @@ extern char *asctime (const struct tm *__tp) __THROW;
 /* Equivalent to `asctime (localtime (timer))'.  */
 extern char *ctime (const time_t *__timer) __THROW;
 
-#ifdef __USE_POSIX
+#if defined __USE_POSIX || __GLIBC_USE (ISOC2X)
 /* Reentrant versions of the above functions.  */
 
 /* Return in BUF a string of the form "Day Mon dd hh:mm:ss yyyy\n"
@@ -152,7 +152,7 @@ extern char *asctime_r (const struct tm *__restrict __tp,
 /* Equivalent to `asctime_r (localtime_r (timer, *TMP*), buf)'.  */
 extern char *ctime_r (const time_t *__restrict __timer,
 		      char *__restrict __buf) __THROW;
-#endif	/* POSIX */
+#endif	/* POSIX || C2X */
 
 
 /* Defined in localtime.c.  */
@@ -175,12 +175,6 @@ extern int daylight;
 extern long int timezone;
 #endif
 
-#ifdef __USE_MISC
-/* Set the system time to *WHEN.
-   This call is restricted to the superuser.  */
-extern int stime (const time_t *__when) __THROW;
-#endif
-
 
 /* Nonzero if YEAR is a leap year (every 4 years,
    except every 100th isn't, and every 400th is).  */
diff --git a/lib/libc/include/generic-glibc/uchar.h b/lib/libc/include/generic-glibc/uchar.h
index 30b4948623a2d13628dd1f73408b361ba425e42a..1d42067d8f439d1186c46231360dc63bc6448e30 100644
--- a/lib/libc/include/generic-glibc/uchar.h
+++ b/lib/libc/include/generic-glibc/uchar.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2011-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *      ISO C11 Standard: 7.28
diff --git a/lib/libc/include/generic-glibc/ucontext.h b/lib/libc/include/generic-glibc/ucontext.h
index b038eb84310a1e726f18496ed46a20db46d74351..7e1b5a68bf749cbb65adb3fbcd773dbce48a7dee 100644
--- a/lib/libc/include/generic-glibc/ucontext.h
+++ b/lib/libc/include/generic-glibc/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* System V ABI compliant user-level context switching support.  */
 
diff --git a/lib/libc/include/generic-glibc/ulimit.h b/lib/libc/include/generic-glibc/ulimit.h
index b85f09ae30483ffeaec9dc16635249e5bc41e378..144e489ee6a9adfe973ccdcaa25f55e8c88bbf86 100644
--- a/lib/libc/include/generic-glibc/ulimit.h
+++ b/lib/libc/include/generic-glibc/ulimit.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _ULIMIT_H
 #define _ULIMIT_H	1
diff --git a/lib/libc/include/generic-glibc/unistd.h b/lib/libc/include/generic-glibc/unistd.h
index 3274b30b5777ce1dbbca4334635e15bcbcf7dbcb..2decd11b8829b99af141bf13957d4ba55846c930 100644
--- a/lib/libc/include/generic-glibc/unistd.h
+++ b/lib/libc/include/generic-glibc/unistd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 2.10 Symbolic Constants		<unistd.h>
diff --git a/lib/libc/include/generic-glibc/utime.h b/lib/libc/include/generic-glibc/utime.h
index 23d276a073caae00441e7b8b7daba373caa6af26..675138ca50858508a99c8185885d20b64fb51893 100644
--- a/lib/libc/include/generic-glibc/utime.h
+++ b/lib/libc/include/generic-glibc/utime.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	POSIX Standard: 5.6.6 Set File Access and Modification Times  <utime.h>
diff --git a/lib/libc/include/generic-glibc/utmp.h b/lib/libc/include/generic-glibc/utmp.h
index ebe1cba7a6c4fc8d2ce2a96614214c4e5f6def82..bb62d1e7a1833443bafb86f039cc326031bb4f40 100644
--- a/lib/libc/include/generic-glibc/utmp.h
+++ b/lib/libc/include/generic-glibc/utmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_UTMP_H
 #define	_UTMP_H	1
diff --git a/lib/libc/include/generic-glibc/utmpx.h b/lib/libc/include/generic-glibc/utmpx.h
index 2860f0e1d98132880f2a2da576c01ad3144d6804..5a407f1c4eab769863c0503c5db1d266d205c813 100644
--- a/lib/libc/include/generic-glibc/utmpx.h
+++ b/lib/libc/include/generic-glibc/utmpx.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_UTMPX_H
 #define	_UTMPX_H	1
diff --git a/lib/libc/include/generic-glibc/values.h b/lib/libc/include/generic-glibc/values.h
index c383e1adbc288fc6475a5aa38db1fa65f2a2a62d..00735b4d3bf69c16e49db76985a5ab1576650cd3 100644
--- a/lib/libc/include/generic-glibc/values.h
+++ b/lib/libc/include/generic-glibc/values.h
@@ -1,5 +1,5 @@
 /* Old compatibility names for <limits.h> and <float.h> constants.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This interface is obsolete.  New programs should use
    <limits.h> and/or <float.h> instead of <values.h>.  */
diff --git a/lib/libc/include/generic-glibc/wchar.h b/lib/libc/include/generic-glibc/wchar.h
index 42a24c956e375200626d276e5dd40da7d9430d73..f358a1400fc57e482ba226842d130bb218ba778d 100644
--- a/lib/libc/include/generic-glibc/wchar.h
+++ b/lib/libc/include/generic-glibc/wchar.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *      ISO C99 Standard: 7.24
@@ -685,7 +685,8 @@ extern int vswscanf (const wchar_t *__restrict __s,
 		     __gnuc_va_list __arg)
      __THROW /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */;
 
-# if !defined __USE_GNU \
+/* Same redirection as above for the v*wscanf family.  */
+# if !__GLIBC_USE (DEPRECATED_SCANF) \
      && (!defined __LDBL_COMPAT || !defined __REDIRECT) \
      && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K)
 #  ifdef __REDIRECT
diff --git a/lib/libc/include/generic-glibc/wctype.h b/lib/libc/include/generic-glibc/wctype.h
index 38d11e930c244c2bff263eb26c6b521f9aad3e9c..4cd02bcf175ba42af372ed5ecf34aa17d45238c6 100644
--- a/lib/libc/include/generic-glibc/wctype.h
+++ b/lib/libc/include/generic-glibc/wctype.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *	ISO C99 Standard: 7.25
diff --git a/lib/libc/include/generic-glibc/wordexp.h b/lib/libc/include/generic-glibc/wordexp.h
index b4f270a1cedb6bfd5f289d206dba267d54166ef0..fa198fba1f8fe7eefbec699757b5b9250f61c459 100644
--- a/lib/libc/include/generic-glibc/wordexp.h
+++ b/lib/libc/include/generic-glibc/wordexp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_WORDEXP_H
 #define	_WORDEXP_H	1
diff --git a/lib/libc/include/i386-linux-gnu/bits/endian.h b/lib/libc/include/i386-linux-gnu/bits/endian.h
deleted file mode 100644
index 35c898d0ec3075f6d2e0baa99be7c590e71e5d7d..0000000000000000000000000000000000000000
--- a/lib/libc/include/i386-linux-gnu/bits/endian.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* i386/x86_64 are little-endian.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
\ No newline at end of file
diff --git a/lib/libc/include/i386-linux-gnu/bits/endianness.h b/lib/libc/include/i386-linux-gnu/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..80180b782e3b603bfd65bb9a42ca99beda21a318
--- /dev/null
+++ b/lib/libc/include/i386-linux-gnu/bits/endianness.h
@@ -0,0 +1,11 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* i386/x86_64 are little-endian.  */
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/i386-linux-gnu/bits/environments.h b/lib/libc/include/i386-linux-gnu/bits/environments.h
index 76f12fe0856ba99d62feb148a08e60c253c95ab7..2b18837e58a641848659e6b551f24a3a0bf2d385 100644
--- a/lib/libc/include/i386-linux-gnu/bits/environments.h
+++ b/lib/libc/include/i386-linux-gnu/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UNISTD_H
 # error "Never include this file directly.  Use <unistd.h> instead"
diff --git a/lib/libc/include/i386-linux-gnu/bits/epoll.h b/lib/libc/include/i386-linux-gnu/bits/epoll.h
index 205d42ad63560093cf27f4abf6a8cfb114fbe652..5f23749272c7bd84cd4f0fb705a00d8eb2044279 100644
--- a/lib/libc/include/i386-linux-gnu/bits/epoll.h
+++ b/lib/libc/include/i386-linux-gnu/bits/epoll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EPOLL_H
 # error "Never use <bits/epoll.h> directly; include <sys/epoll.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/fcntl.h b/lib/libc/include/i386-linux-gnu/bits/fcntl.h
index d3229a67827d65c25df3559bcdc015b59a51f37f..4eb8fa0b6f338159e12215578ac44803747f5b1d 100644
--- a/lib/libc/include/i386-linux-gnu/bits/fcntl.h
+++ b/lib/libc/include/i386-linux-gnu/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/x86.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/fenv.h b/lib/libc/include/i386-linux-gnu/bits/fenv.h
index 74151486b4f2b40fe90d822dea7e63232e80abca..3164b635560889285cfab5236aaa3433af9d1785 100644
--- a/lib/libc/include/i386-linux-gnu/bits/fenv.h
+++ b/lib/libc/include/i386-linux-gnu/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -101,7 +101,7 @@ fenv_t;
 # define FE_NOMASK_ENV	((const fenv_t *) -2)
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef struct
   {
diff --git a/lib/libc/include/i386-linux-gnu/bits/floatn.h b/lib/libc/include/i386-linux-gnu/bits/floatn.h
index 1d7ba69ea85aefd304de6f5b986f82cdb970e9fe..36d64c23ec484a8fe6464032200c982837d7cd22 100644
--- a/lib/libc/include/i386-linux-gnu/bits/floatn.h
+++ b/lib/libc/include/i386-linux-gnu/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features on x86.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_H
 #define _BITS_FLOATN_H
diff --git a/lib/libc/include/i386-linux-gnu/bits/flt-eval-method.h b/lib/libc/include/i386-linux-gnu/bits/flt-eval-method.h
index 87e06c435452453d8365f95f59dabc14c6b67ac4..9da03078977e07c643372def0b83a6e6f13a3dbc 100644
--- a/lib/libc/include/i386-linux-gnu/bits/flt-eval-method.h
+++ b/lib/libc/include/i386-linux-gnu/bits/flt-eval-method.h
@@ -1,5 +1,5 @@
 /* Define __GLIBC_FLT_EVAL_METHOD.  x86 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/flt-eval-method.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/fp-logb.h b/lib/libc/include/i386-linux-gnu/bits/fp-logb.h
index f3e55ea50cd400411291f9b63da0535e5741ee61..5f2e2a9f8850f3224e5e643067be20c05a8bcd97 100644
--- a/lib/libc/include/i386-linux-gnu/bits/fp-logb.h
+++ b/lib/libc/include/i386-linux-gnu/bits/fp-logb.h
@@ -1,5 +1,5 @@
 /* Define __FP_LOGB0_IS_MIN and __FP_LOGBNAN_IS_MIN.  x86 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/fp-logb.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/indirect-return.h b/lib/libc/include/i386-linux-gnu/bits/indirect-return.h
index fd170e8a4236d57c8ff47dd760a7cd383eb9b88d..e74139721c68adc5c8eaf3b2854ebcf110fa22f0 100644
--- a/lib/libc/include/i386-linux-gnu/bits/indirect-return.h
+++ b/lib/libc/include/i386-linux-gnu/bits/indirect-return.h
@@ -1,5 +1,5 @@
 /* Definition of __INDIRECT_RETURN.  x86 version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UCONTEXT_H
 # error "Never include <bits/indirect-return.h> directly; use <ucontext.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/ipctypes.h b/lib/libc/include/i386-linux-gnu/bits/ipctypes.h
index 2b471d1e5238a522bc3fc43194735e41730dabb4..7f6bb7662d08af7cecb49ad73c8394297ce8a25d 100644
--- a/lib/libc/include/i386-linux-gnu/bits/ipctypes.h
+++ b/lib/libc/include/i386-linux-gnu/bits/ipctypes.h
@@ -1,5 +1,5 @@
 /* bits/ipctypes.h -- Define some types used by SysV IPC/MSG/SHM.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IPC_H
 # error "Never use <bits/ipctypes.h> directly; include <sys/ipc.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/iscanonical.h b/lib/libc/include/i386-linux-gnu/bits/iscanonical.h
index 1fa01edaad548f4723e080b2fa9ee6370d019624..ee0d8720f934365769482184c45f1a2d481412de 100644
--- a/lib/libc/include/i386-linux-gnu/bits/iscanonical.h
+++ b/lib/libc/include/i386-linux-gnu/bits/iscanonical.h
@@ -1,5 +1,5 @@
 /* Define iscanonical macro.  ldbl-96 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/iscanonical.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/link.h b/lib/libc/include/i386-linux-gnu/bits/link.h
index 2724980f6b33e88678e65794e5cb37d2e17409e9..68938e8e0c807ab4e4d018f78d835e12bd816cca 100644
--- a/lib/libc/include/i386-linux-gnu/bits/link.h
+++ b/lib/libc/include/i386-linux-gnu/bits/link.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/long-double.h b/lib/libc/include/i386-linux-gnu/bits/long-double.h
index 6a582416cf264fa8ce7306a847eebc94da2e15fb..a7bd8fb163d0c252d26c3a1e39c5db7ecc1cc7a1 100644
--- a/lib/libc/include/i386-linux-gnu/bits/long-double.h
+++ b/lib/libc/include/i386-linux-gnu/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.  ldbl-96 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,8 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* long double is distinct from double, so there is nothing to
-   define here.  */
\ No newline at end of file
+   define here.  */
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/i386-linux-gnu/bits/math-vector.h b/lib/libc/include/i386-linux-gnu/bits/math-vector.h
index 67e2c8aea8609450d3cb41d314bb945b9fad3398..f7571e827d1045a607a25caf9a6130777722e17a 100644
--- a/lib/libc/include/i386-linux-gnu/bits/math-vector.h
+++ b/lib/libc/include/i386-linux-gnu/bits/math-vector.h
@@ -1,5 +1,5 @@
 /* Platform-specific SIMD declarations of math functions.
-   Copyright (C) 2014-2019 Free Software Foundation, Inc.
+   Copyright (C) 2014-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never include <bits/math-vector.h> directly;\
diff --git a/lib/libc/include/i386-linux-gnu/bits/mman.h b/lib/libc/include/i386-linux-gnu/bits/mman.h
index 90f3588b6e77b9ef54f4f6bf728321e82716588b..4319c54436d42936060aa95d8f9aeb0f0a86f7ae 100644
--- a/lib/libc/include/i386-linux-gnu/bits/mman.h
+++ b/lib/libc/include/i386-linux-gnu/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/x86_64 version.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/procfs-id.h b/lib/libc/include/i386-linux-gnu/bits/procfs-id.h
index 79f85bfd4446996119f7e556c489cf8b32274d9e..4f4cefeb4bc278b1f912ee805deebfaa28708e76 100644
--- a/lib/libc/include/i386-linux-gnu/bits/procfs-id.h
+++ b/lib/libc/include/i386-linux-gnu/bits/procfs-id.h
@@ -1,5 +1,5 @@
 /* Types of pr_uid and pr_gid in struct elf_prpsinfo.  x86 version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-id.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/procfs.h b/lib/libc/include/i386-linux-gnu/bits/procfs.h
index ea3cbfe1be77b03f6f1a2a58e4925f3638b15fd7..1f4ca5a0f0205324d04d267c3dfddf0a759e55a2 100644
--- a/lib/libc/include/i386-linux-gnu/bits/procfs.h
+++ b/lib/libc/include/i386-linux-gnu/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  x86 version.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/pthreadtypes-arch.h b/lib/libc/include/i386-linux-gnu/bits/pthreadtypes-arch.h
index 7c5701b0b801d3cdfea3082508e78ffa7d6243fb..147ce690db4d045dfe7918b67fdcec7a050a8b74 100644
--- a/lib/libc/include/i386-linux-gnu/bits/pthreadtypes-arch.h
+++ b/lib/libc/include/i386-linux-gnu/bits/pthreadtypes-arch.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_ARCH_H
 #define _BITS_PTHREADTYPES_ARCH_H	1
@@ -24,20 +24,17 @@
 # if __WORDSIZE == 64
 #  define __SIZEOF_PTHREAD_MUTEX_T 40
 #  define __SIZEOF_PTHREAD_ATTR_T 56
-#  define __SIZEOF_PTHREAD_MUTEX_T 40
 #  define __SIZEOF_PTHREAD_RWLOCK_T 56
 #  define __SIZEOF_PTHREAD_BARRIER_T 32
 # else
 #  define __SIZEOF_PTHREAD_MUTEX_T 32
 #  define __SIZEOF_PTHREAD_ATTR_T 32
-#  define __SIZEOF_PTHREAD_MUTEX_T 32
 #  define __SIZEOF_PTHREAD_RWLOCK_T 44
 #  define __SIZEOF_PTHREAD_BARRIER_T 20
 # endif
 #else
 # define __SIZEOF_PTHREAD_MUTEX_T 24
 # define __SIZEOF_PTHREAD_ATTR_T 36
-# define __SIZEOF_PTHREAD_MUTEX_T 24
 # define __SIZEOF_PTHREAD_RWLOCK_T 32
 # define __SIZEOF_PTHREAD_BARRIER_T 20
 #endif
@@ -47,57 +44,9 @@
 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
 
-/* Definitions for internal mutex struct.  */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    1
-#ifdef __x86_64__
-# define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  0
-# define __PTHREAD_MUTEX_USE_UNION          0
-#else
-# define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  1
-# define __PTHREAD_MUTEX_USE_UNION          1
-#endif
-
 #define __LOCK_ALIGNMENT
 #define __ONCE_ALIGNMENT
 
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#ifdef __x86_64__
-  int __cur_writer;
-  int __shared;
-  signed char __rwelision;
-# ifdef  __ILP32__
-  unsigned char __pad1[3];
-#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0 }
-# else
-  unsigned char __pad1[7];
-#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0, 0, 0, 0, 0 }
-# endif
-  unsigned long int __pad2;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned int __flags;
-# define __PTHREAD_RWLOCK_INT_FLAGS_SHARED	1
-#else
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  unsigned char __shared;
-  signed char __rwelision;
-# define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-  unsigned char __pad2;
-  int __cur_writer;
-#endif
-};
-
 #ifndef __x86_64__
 /* Extra attributes for the cleanup functions.  */
 # define __cleanup_fct_attribute __attribute__ ((__regparm__ (1)))
diff --git a/lib/libc/include/i386-linux-gnu/bits/select.h b/lib/libc/include/i386-linux-gnu/bits/select.h
index 24d5067c62be6b60c94310f029ea020115c6bcef..959d99826630685792eccff0ede7c1bf62919f9c 100644
--- a/lib/libc/include/i386-linux-gnu/bits/select.h
+++ b/lib/libc/include/i386-linux-gnu/bits/select.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SELECT_H
 # error "Never use <bits/select.h> directly; include <sys/select.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/sem-pad.h b/lib/libc/include/i386-linux-gnu/bits/sem-pad.h
index bd8df25acefa8bd94c66b81174f8cb150e84d321..10534c61cf8b6e89c3d8c070398777ba550014dd 100644
--- a/lib/libc/include/i386-linux-gnu/bits/sem-pad.h
+++ b/lib/libc/include/i386-linux-gnu/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  x86 version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/semaphore.h b/lib/libc/include/i386-linux-gnu/bits/semaphore.h
index c5733e31f49e347ccb2e38548af90d723360e850..7f41d9a8807eace74d7d69ab0fdc5d0fab519f8e 100644
--- a/lib/libc/include/i386-linux-gnu/bits/semaphore.h
+++ b/lib/libc/include/i386-linux-gnu/bits/semaphore.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/setjmp.h b/lib/libc/include/i386-linux-gnu/bits/setjmp.h
index aec176f8d2add5080fb74f50797b8622ebf73241..18d620397d9205aef71a15b2a878812f066511b7 100644
--- a/lib/libc/include/i386-linux-gnu/bits/setjmp.h
+++ b/lib/libc/include/i386-linux-gnu/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Define the machine-dependent type `jmp_buf'.  x86-64 version.  */
 #ifndef _BITS_SETJMP_H
diff --git a/lib/libc/include/i386-linux-gnu/bits/sigcontext.h b/lib/libc/include/i386-linux-gnu/bits/sigcontext.h
index 481a8a7bb5c445895449ba8a58d830c2f48809e7..7498f87f91aa8ab028a97e16e89607e65ed0a357 100644
--- a/lib/libc/include/i386-linux-gnu/bits/sigcontext.h
+++ b/lib/libc/include/i386-linux-gnu/bits/sigcontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGCONTEXT_H
 #define _BITS_SIGCONTEXT_H  1
diff --git a/lib/libc/include/i386-linux-gnu/bits/stat.h b/lib/libc/include/i386-linux-gnu/bits/stat.h
index ee7f88c4631342e807f55480bb8c4a48a4dae266..ab5378300ade4c5b104a3bbe79cb6907cd21e949 100644
--- a/lib/libc/include/i386-linux-gnu/bits/stat.h
+++ b/lib/libc/include/i386-linux-gnu/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/include/i386-linux-gnu/bits/struct_mutex.h b/lib/libc/include/i386-linux-gnu/bits/struct_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..44273158be80e28abfc6f1d2985c2073cf4d8104
--- /dev/null
+++ b/lib/libc/include/i386-linux-gnu/bits/struct_mutex.h
@@ -0,0 +1,63 @@
+/* x86 internal mutex struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_MUTEX_INTERNAL_H
+#define _THREAD_MUTEX_INTERNAL_H 1
+
+struct __pthread_mutex_s
+{
+  int __lock;
+  unsigned int __count;
+  int __owner;
+#ifdef __x86_64__
+  unsigned int __nusers;
+#endif
+  /* KIND must stay at this position in the structure to maintain
+     binary compatibility with static initializers.  */
+  int __kind;
+#ifdef __x86_64__
+  short __spins;
+  short __elision;
+  __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV      1
+#else
+  unsigned int __nusers;
+  __extension__ union
+  {
+    struct
+    {
+      short __espins;
+      short __eelision;
+# define __spins __elision_data.__espins
+# define __elision __elision_data.__eelision
+    } __elision_data;
+    __pthread_slist_t __list;
+  };
+# define __PTHREAD_MUTEX_HAVE_PREV      0
+#endif
+};
+
+#ifdef __x86_64__
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, 0, __kind, 0, 0, { 0, 0 }
+#else
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, __kind, 0, { { 0, 0 } }
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/i386-linux-gnu/bits/struct_rwlock.h b/lib/libc/include/i386-linux-gnu/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..863b185dc958c537e0d2464770fd5e728b351879
--- /dev/null
+++ b/lib/libc/include/i386-linux-gnu/bits/struct_rwlock.h
@@ -0,0 +1,65 @@
+/* x86 internal rwlock struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _RWLOCK_INTERNAL_H
+#define _RWLOCK_INTERNAL_H
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+#ifdef __x86_64__
+  int __cur_writer;
+  int __shared;
+  signed char __rwelision;
+# ifdef  __ILP32__
+  unsigned char __pad1[3];
+#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0 }
+# else
+  unsigned char __pad1[7];
+#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0, 0, 0, 0, 0 }
+# endif
+  unsigned long int __pad2;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned int __flags;
+#else /* __x86_64__  */
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned char __flags;
+  unsigned char __shared;
+  signed char __rwelision;
+  unsigned char __pad2;
+  int __cur_writer;
+#endif
+};
+
+#ifdef __x86_64__
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, __flags
+#else
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, __flags, 0, 0, 0, 0
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/i386-linux-gnu/bits/sysctl.h b/lib/libc/include/i386-linux-gnu/bits/sysctl.h
index 6b291999097f434cc841ccfc8fc0307bd8072ebb..5e2b946cdf2d355974e3b80127d1948c73f4aa1c 100644
--- a/lib/libc/include/i386-linux-gnu/bits/sysctl.h
+++ b/lib/libc/include/i386-linux-gnu/bits/sysctl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2012-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if defined __x86_64__ && defined __ILP32__
 # error "sysctl system call is unsupported in x32 kernel"
diff --git a/lib/libc/include/i386-linux-gnu/bits/timesize.h b/lib/libc/include/i386-linux-gnu/bits/timesize.h
index 48fb55523494c7072badfa766e5a053b0fe42f0d..ae0a502d0dcedf76fe6c75e9ce2e9c859fd955ef 100644
--- a/lib/libc/include/i386-linux-gnu/bits/timesize.h
+++ b/lib/libc/include/i386-linux-gnu/bits/timesize.h
@@ -1,5 +1,5 @@
 /* Bit size of the time_t type at glibc build time, x86-64 and x32 case.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if defined __x86_64__ && defined __ILP32__
 /* For x32, time is 64-bit even though word size is 32-bit.  */
diff --git a/lib/libc/include/i386-linux-gnu/bits/typesizes.h b/lib/libc/include/i386-linux-gnu/bits/typesizes.h
index 7c14f5d7f84cdd2cf10e9ee52f3a1f7feb244b3c..7ad60c3f43adb9ee8b58eadea95575bb1ee7c677 100644
--- a/lib/libc/include/i386-linux-gnu/bits/typesizes.h
+++ b/lib/libc/include/i386-linux-gnu/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Linux/x86-64 version.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -84,8 +84,13 @@
 
 /* And for __rlim_t and __rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
+
+# define __STATFS_MATCHES_STATFS64  0
 #endif
 
 /* Number of descriptors that can fit in an `fd_set'.  */
diff --git a/lib/libc/include/i386-linux-gnu/finclude/math-vector-fortran.h b/lib/libc/include/i386-linux-gnu/finclude/math-vector-fortran.h
index fc3aa3e3b2c73dcde44b9e1ecb2eb15a3ddf2dac..c56f5fc16f1d7507f2010455d47a13a1b3c7c97c 100644
--- a/lib/libc/include/i386-linux-gnu/finclude/math-vector-fortran.h
+++ b/lib/libc/include/i386-linux-gnu/finclude/math-vector-fortran.h
@@ -1,5 +1,5 @@
 ! Platform-specific declarations of SIMD math functions for Fortran. -*- f90 -*-
-!   Copyright (C) 2019 Free Software Foundation, Inc.
+!   Copyright (C) 2019-2020 Free Software Foundation, Inc.
 !   This file is part of the GNU C Library.
 !
 !   The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 !
 !   You should have received a copy of the GNU Lesser General Public
 !   License along with the GNU C Library; if not, see
-!   <http://www.gnu.org/licenses/>.
+!   <https://www.gnu.org/licenses/>.
 
 !GCC$ builtin (cos) attributes simd (notinbranch) if('x86_64')
 !GCC$ builtin (cosf) attributes simd (notinbranch) if('x86_64')
diff --git a/lib/libc/include/i386-linux-gnu/fpu_control.h b/lib/libc/include/i386-linux-gnu/fpu_control.h
index 1c064507781ae94174782939445312305d46bade..fa0a8619234847498fe5541e4d52ce2cbf2c2916 100644
--- a/lib/libc/include/i386-linux-gnu/fpu_control.h
+++ b/lib/libc/include/i386-linux-gnu/fpu_control.h
@@ -1,5 +1,5 @@
 /* FPU control word bits.  x86 version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Olaf Flebbe.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H	1
diff --git a/lib/libc/include/i386-linux-gnu/sys/elf.h b/lib/libc/include/i386-linux-gnu/sys/elf.h
index d8c2c7acc8d8f2a5b1c080b68f12a782400b2aae..d37502689d98be64474545ed93a5aed887e6ee7d 100644
--- a/lib/libc/include/i386-linux-gnu/sys/elf.h
+++ b/lib/libc/include/i386-linux-gnu/sys/elf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_ELF_H
 #define _SYS_ELF_H	1
diff --git a/lib/libc/include/i386-linux-gnu/sys/ptrace.h b/lib/libc/include/i386-linux-gnu/sys/ptrace.h
index 1f6c5b50fd9b84edfba0a85d1ead28e8a1c75569..0977a402d72e91772ffc8e0228324cdb78c55e4c 100644
--- a/lib/libc/include/i386-linux-gnu/sys/ptrace.h
+++ b/lib/libc/include/i386-linux-gnu/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/x86 version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PTRACE_H
 #define _SYS_PTRACE_H	1
@@ -186,8 +186,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/i386-linux-gnu/sys/ucontext.h b/lib/libc/include/i386-linux-gnu/sys/ucontext.h
index 2127a222a948a8f926e7ffa80c031ed01e8f1490..3244eab7c89dd3dd1d75518bce4118551d5b203a 100644
--- a/lib/libc/include/i386-linux-gnu/sys/ucontext.h
+++ b/lib/libc/include/i386-linux-gnu/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_UCONTEXT_H
 #define _SYS_UCONTEXT_H	1
diff --git a/lib/libc/include/i386-linux-gnu/sys/user.h b/lib/libc/include/i386-linux-gnu/sys/user.h
index 74bd6e393affefb9241045ca9f17e7923c402ce8..fe9d8757895bed53e06b1b4878e4b23dae4efac1 100644
--- a/lib/libc/include/i386-linux-gnu/sys/user.h
+++ b/lib/libc/include/i386-linux-gnu/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 #define _SYS_USER_H	1
diff --git a/lib/libc/include/mips-linux-gnu/bits/dlfcn.h b/lib/libc/include/mips-linux-gnu/bits/dlfcn.h
index 996be6f45b1d30719fc3aea34e42720148d73616..f0c7dabbcc76c8f2ecdea6b51053437e90fe610c 100644
--- a/lib/libc/include/mips-linux-gnu/bits/dlfcn.h
+++ b/lib/libc/include/mips-linux-gnu/bits/dlfcn.h
@@ -1,5 +1,5 @@
 /* System dependent definitions for run-time dynamic loading.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _DLFCN_H
 # error "Never use <bits/dlfcn.h> directly; include <dlfcn.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/errno.h b/lib/libc/include/mips-linux-gnu/bits/errno.h
index 2d6069ad8a939c1406695d41f8b68a42cb08fb03..a508c37d1c28296ddcbc918420eea0f10243c929 100644
--- a/lib/libc/include/mips-linux-gnu/bits/errno.h
+++ b/lib/libc/include/mips-linux-gnu/bits/errno.h
@@ -1,5 +1,5 @@
 /* Error constants.  MIPS/Linux specific version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_ERRNO_H
 
diff --git a/lib/libc/include/mips-linux-gnu/bits/eventfd.h b/lib/libc/include/mips-linux-gnu/bits/eventfd.h
index 9ff48c23fb04c07d3b3fc0bb38ebf071bef202a8..f1bea57e1915ba3cf34615fa291d177cfe9e7fff 100644
--- a/lib/libc/include/mips-linux-gnu/bits/eventfd.h
+++ b/lib/libc/include/mips-linux-gnu/bits/eventfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EVENTFD_H
 # error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/inotify.h b/lib/libc/include/mips-linux-gnu/bits/inotify.h
index d063466c30c723caf2d7006c485548dbe937d215..5025b69e8a856f0b1364486041544c54e8ab5546 100644
--- a/lib/libc/include/mips-linux-gnu/bits/inotify.h
+++ b/lib/libc/include/mips-linux-gnu/bits/inotify.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_INOTIFY_H
 # error "Never use <bits/inotify.h> directly; include <sys/inotify.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/ioctl-types.h b/lib/libc/include/mips-linux-gnu/bits/ioctl-types.h
index bfbdac6f57497205cbcdc093f8f78aed1b1978ff..064494da7612f5b496eb210de5f1048383cba6de 100644
--- a/lib/libc/include/mips-linux-gnu/bits/ioctl-types.h
+++ b/lib/libc/include/mips-linux-gnu/bits/ioctl-types.h
@@ -1,5 +1,5 @@
 /* Structure types for pre-termios terminal ioctls.  Linux/MIPS version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/ipc.h b/lib/libc/include/mips-linux-gnu/bits/ipc.h
deleted file mode 100644
index e994ffc9ad4465ec7128ac5c153199605acf2ec1..0000000000000000000000000000000000000000
--- a/lib/libc/include/mips-linux-gnu/bits/ipc.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_IPC_H
-# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
-#endif
-
-#include <bits/types.h>
-
-/* Mode bits for `msgget', `semget', and `shmget'.  */
-#define IPC_CREAT	01000		/* Create key if key does not exist. */
-#define IPC_EXCL	02000		/* Fail if key exists.	*/
-#define IPC_NOWAIT	04000		/* Return error on wait.  */
-
-/* Control commands for `msgctl', `semctl', and `shmctl'.  */
-#define IPC_RMID	0		/* Remove identifier.  */
-#define IPC_SET		1		/* Set `ipc_perm' options.  */
-#define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#ifdef __USE_GNU
-# define IPC_INFO	3		/* See ipcs.  */
-#endif
-
-/* Special key values.	*/
-#define IPC_PRIVATE	((__key_t) 0)	/* Private key.	 */
-
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;			/* Key.  */
-    unsigned int uid;			/* Owner's user ID.  */
-    unsigned int gid;			/* Owner's group ID.  */
-    unsigned int cuid;			/* Creator's user ID.  */
-    unsigned int cgid;			/* Creator's group ID.	*/
-    unsigned int mode;			/* Read/write permission.  */
-    unsigned short int __seq;		/* Sequence number.  */
-    unsigned short int __pad1;
-    unsigned long int __glibc_reserved1;
-    unsigned long int __glibc_reserved2;
-};
\ No newline at end of file
diff --git a/lib/libc/include/mips-linux-gnu/bits/ipctypes.h b/lib/libc/include/mips-linux-gnu/bits/ipctypes.h
index ffea8d325cb01dab03df513b3df4b2f6de471944..a40b72c769b7be81a399ef70a28fa3ce3407476c 100644
--- a/lib/libc/include/mips-linux-gnu/bits/ipctypes.h
+++ b/lib/libc/include/mips-linux-gnu/bits/ipctypes.h
@@ -1,5 +1,5 @@
 /* bits/ipctypes.h -- Define some types used by SysV IPC/MSG/SHM.  MIPS version
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Never include <bits/ipctypes.h> directly.
diff --git a/lib/libc/include/mips-linux-gnu/bits/local_lim.h b/lib/libc/include/mips-linux-gnu/bits/local_lim.h
index 96b65eb6869dda0fc414bb4fef06915ced16193c..2f7a63a3dde5268d0ed9ca3e4486ddc252ed6e40 100644
--- a/lib/libc/include/mips-linux-gnu/bits/local_lim.h
+++ b/lib/libc/include/mips-linux-gnu/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  MIPS Linux version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
diff --git a/lib/libc/include/mips-linux-gnu/bits/mman.h b/lib/libc/include/mips-linux-gnu/bits/mman.h
index 43c768ab5ec9f63532e13953426ba7b54aab2517..ec9cc654caa7e2ed03278e0fb20dbb4ca8fa6bba 100644
--- a/lib/libc/include/mips-linux-gnu/bits/mman.h
+++ b/lib/libc/include/mips-linux-gnu/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/MIPS version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/msq-pad.h b/lib/libc/include/mips-linux-gnu/bits/msq-pad.h
index 2cde6ddf34a4d20f90e3c79bb99753c87207ed5b..132f7815a7c8c20e8d8237efdab7ce4d43b71ca4 100644
--- a/lib/libc/include/mips-linux-gnu/bits/msq-pad.h
+++ b/lib/libc/include/mips-linux-gnu/bits/msq-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct msqid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MSG_H
 # error "Never use <bits/msq-pad.h> directly; include <sys/msg.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/poll.h b/lib/libc/include/mips-linux-gnu/bits/poll.h
index 77934600076e60a0730e849d7bd4baf80e79a5f3..e1901823cab1500f441182f065c08880af86e712 100644
--- a/lib/libc/include/mips-linux-gnu/bits/poll.h
+++ b/lib/libc/include/mips-linux-gnu/bits/poll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_POLL_H
 # error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/pthreadtypes-arch.h b/lib/libc/include/mips-linux-gnu/bits/pthreadtypes-arch.h
new file mode 100644
index 0000000000000000000000000000000000000000..6fb6e1c0b0c98ff6f7dbd29305f9e33cfedf9c61
--- /dev/null
+++ b/lib/libc/include/mips-linux-gnu/bits/pthreadtypes-arch.h
@@ -0,0 +1,44 @@
+/* Machine-specific pthread type layouts.  MIPS version.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_PTHREADTYPES_ARCH_H
+#define _BITS_PTHREADTYPES_ARCH_H	1
+
+#include <bits/endian.h>
+
+#if _MIPS_SIM == _ABI64
+# define __SIZEOF_PTHREAD_ATTR_T 56
+# define __SIZEOF_PTHREAD_MUTEX_T 40
+# define __SIZEOF_PTHREAD_RWLOCK_T 56
+# define __SIZEOF_PTHREAD_BARRIER_T 32
+#else
+# define __SIZEOF_PTHREAD_ATTR_T 36
+# define __SIZEOF_PTHREAD_MUTEX_T 24
+# define __SIZEOF_PTHREAD_RWLOCK_T 32
+# define __SIZEOF_PTHREAD_BARRIER_T 20
+#endif
+#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
+#define __SIZEOF_PTHREAD_COND_T 48
+#define __SIZEOF_PTHREAD_CONDATTR_T 4
+#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
+#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
+
+#define __LOCK_ALIGNMENT
+#define __ONCE_ALIGNMENT
+
+#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/mips-linux-gnu/bits/resource.h b/lib/libc/include/mips-linux-gnu/bits/resource.h
index 2f200b10250852a8b5c31fb93c128db105dd9b5b..11fc73b49da518ccd0c634d2306350d0f50d33d2 100644
--- a/lib/libc/include/mips-linux-gnu/bits/resource.h
+++ b/lib/libc/include/mips-linux-gnu/bits/resource.h
@@ -1,5 +1,5 @@
 /* Bit values & structures for resource limits.  Linux/MIPS version.
-   Copyright (C) 1994-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_RESOURCE_H
 # error "Never use <bits/resource.h> directly; include <sys/resource.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/sem-pad.h b/lib/libc/include/mips-linux-gnu/bits/sem-pad.h
index b1810b2080f11df7dcdf7374e09efeb6fc6ced6a..0638180f089f5957563adf9cfe0ceb39b3d8803b 100644
--- a/lib/libc/include/mips-linux-gnu/bits/sem-pad.h
+++ b/lib/libc/include/mips-linux-gnu/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/shm-pad.h b/lib/libc/include/mips-linux-gnu/bits/shm-pad.h
index e672c8c7b042e8825e6489856fcee8a43efbba58..1c596174a8d071fe5b01ec9f329dd0f64866d00b 100644
--- a/lib/libc/include/mips-linux-gnu/bits/shm-pad.h
+++ b/lib/libc/include/mips-linux-gnu/bits/shm-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct shmid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shm-pad.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/shmlba.h b/lib/libc/include/mips-linux-gnu/bits/shmlba.h
index 9561decd9a4c8d64e0e66f37dcb1fe6ac095bc65..9f61bc9247c586b2a6c0232bdde5c7bdd1b51079 100644
--- a/lib/libc/include/mips-linux-gnu/bits/shmlba.h
+++ b/lib/libc/include/mips-linux-gnu/bits/shmlba.h
@@ -1,5 +1,5 @@
 /* Define SHMLBA.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/sigaction.h b/lib/libc/include/mips-linux-gnu/bits/sigaction.h
index bbc6004b5998e0a755e4ebb48f71ae3c61f9e5bb..af27d0c0fc06bf3f5e4c3f3b2b6f0a02a71f80a8 100644
--- a/lib/libc/include/mips-linux-gnu/bits/sigaction.h
+++ b/lib/libc/include/mips-linux-gnu/bits/sigaction.h
@@ -1,5 +1,5 @@
 /* The proper definitions for Linux/MIPS's sigaction.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGACTION_H
 #define _BITS_SIGACTION_H 1
diff --git a/lib/libc/include/mips-linux-gnu/bits/sigcontext.h b/lib/libc/include/mips-linux-gnu/bits/sigcontext.h
index 231695c93f4cbd690088e389898e3b93fa76a3a1..cb51a1980fcd3abd5e9625350584523cffc1ee7e 100644
--- a/lib/libc/include/mips-linux-gnu/bits/sigcontext.h
+++ b/lib/libc/include/mips-linux-gnu/bits/sigcontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.  This file is part of the GNU C Library.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.  This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -12,7 +12,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGCONTEXT_H
 #define _BITS_SIGCONTEXT_H 1
diff --git a/lib/libc/include/mips-linux-gnu/bits/signalfd.h b/lib/libc/include/mips-linux-gnu/bits/signalfd.h
index a8f5275551d72d74a85bff0840ffcdcfb8049f1a..8bc180b1b88d078da3a14f5c01e4672b0bb0c2bc 100644
--- a/lib/libc/include/mips-linux-gnu/bits/signalfd.h
+++ b/lib/libc/include/mips-linux-gnu/bits/signalfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_SIGNALFD_H
 # error "Never use <bits/signalfd.h> directly; include <sys/signalfd.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/signum.h b/lib/libc/include/mips-linux-gnu/bits/signum.h
index e3cd97af8b3d20b86e12ef1fb00450edfadc15c9..e9fa21916bc76fbe24707c37d2f818bd24ff6d62 100644
--- a/lib/libc/include/mips-linux-gnu/bits/signum.h
+++ b/lib/libc/include/mips-linux-gnu/bits/signum.h
@@ -1,5 +1,5 @@
 /* Signal number definitions.  Linux/MIPS version.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGNUM_H
 #define _BITS_SIGNUM_H 1
diff --git a/lib/libc/include/mips-linux-gnu/bits/socket-constants.h b/lib/libc/include/mips-linux-gnu/bits/socket-constants.h
index cfd1839b98efe6dee095434c69a0183802cb243c..6ed2492084fa1149fd8c041393824d044675b1ea 100644
--- a/lib/libc/include/mips-linux-gnu/bits/socket-constants.h
+++ b/lib/libc/include/mips-linux-gnu/bits/socket-constants.h
@@ -1,5 +1,5 @@
 /* Socket constants which vary among Linux architectures.  Version for MIPS.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/socket_type.h b/lib/libc/include/mips-linux-gnu/bits/socket_type.h
index 4c976f179e4a592682e169ffc92e61db458e5d03..ad858e116abab294081adbe83a0f3e00e9e81d93 100644
--- a/lib/libc/include/mips-linux-gnu/bits/socket_type.h
+++ b/lib/libc/include/mips-linux-gnu/bits/socket_type.h
@@ -1,5 +1,5 @@
 /* Define enum __socket_type for Linux/MIPS.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket_type.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/statfs.h b/lib/libc/include/mips-linux-gnu/bits/statfs.h
index fd0f68d6d7da148388419e5badcdbf01caaf0eee..fad668a7a3c2838c968ab31c0fd13761507948f7 100644
--- a/lib/libc/include/mips-linux-gnu/bits/statfs.h
+++ b/lib/libc/include/mips-linux-gnu/bits/statfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_STATFS_H
 # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/struct_mutex.h b/lib/libc/include/mips-linux-gnu/bits/struct_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..025ccddc140683e8019e2b4de0d676e1e036711d
--- /dev/null
+++ b/lib/libc/include/mips-linux-gnu/bits/struct_mutex.h
@@ -0,0 +1,56 @@
+/* MIPS internal mutex struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_MUTEX_INTERNAL_H
+#define _THREAD_MUTEX_INTERNAL_H 1
+
+struct __pthread_mutex_s
+{
+  int __lock;
+  unsigned int __count;
+  int __owner;
+#if _MIPS_SIM == _ABI64
+  unsigned int __nusers;
+#endif
+  /* KIND must stay at this position in the structure to maintain
+     binary compatibility with static initializers.  */
+  int __kind;
+#if _MIPS_SIM == _ABI64
+  int __spins;
+  __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV      1
+#else
+  unsigned int __nusers;
+  __extension__ union
+  {
+    int __spins;
+    __pthread_slist_t __list;
+  };
+# define __PTHREAD_MUTEX_HAVE_PREV      0
+#endif
+};
+
+#if _MIPS_SIM == _ABI64
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, 0, __kind, 0, { 0, 0 }
+#else
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, __kind, 0, { 0 }
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/mips-linux-gnu/bits/termios-c_cc.h b/lib/libc/include/mips-linux-gnu/bits/termios-c_cc.h
index ed124b8db4df74414fc5cbacf5aede40ba376dfe..5b5850ca57542abb326544681cc5491b39e079ba 100644
--- a/lib/libc/include/mips-linux-gnu/bits/termios-c_cc.h
+++ b/lib/libc/include/mips-linux-gnu/bits/termios-c_cc.h
@@ -1,5 +1,5 @@
 /* termios c_cc symbolic constant definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/termios-c_lflag.h b/lib/libc/include/mips-linux-gnu/bits/termios-c_lflag.h
index e5a67734766ae01dc4d488d8db7a64b162cb3d4d..cc1f2a0bd55017b5fdda01fcf8a3c80d140a156d 100644
--- a/lib/libc/include/mips-linux-gnu/bits/termios-c_lflag.h
+++ b/lib/libc/include/mips-linux-gnu/bits/termios-c_lflag.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_lflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/termios-struct.h b/lib/libc/include/mips-linux-gnu/bits/termios-struct.h
index 0442c6f354657898ae4b040c3c00d3fc7ecced64..f046eaaa80e4f3ad0d81102f92c54138cd0dcf34 100644
--- a/lib/libc/include/mips-linux-gnu/bits/termios-struct.h
+++ b/lib/libc/include/mips-linux-gnu/bits/termios-struct.h
@@ -1,5 +1,5 @@
 /* struct termios definition.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-struct.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/termios-tcflow.h b/lib/libc/include/mips-linux-gnu/bits/termios-tcflow.h
index 2c523c3a2a4d38af3423f6b73ff97465a7cca982..f21c02a38937a32ecb0e3f62f085ffe9044a5eac 100644
--- a/lib/libc/include/mips-linux-gnu/bits/termios-tcflow.h
+++ b/lib/libc/include/mips-linux-gnu/bits/termios-tcflow.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-tcflow.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/timerfd.h b/lib/libc/include/mips-linux-gnu/bits/timerfd.h
index 005d411617736274e5665d12ff429f3b09167562..79ff9d0cc48fab58de42ef30fd9657de2666c65a 100644
--- a/lib/libc/include/mips-linux-gnu/bits/timerfd.h
+++ b/lib/libc/include/mips-linux-gnu/bits/timerfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_TIMERFD_H
 # error "Never use <bits/timerfd.h> directly; include <sys/timerfd.h> instead."
diff --git a/lib/libc/include/mips-linux-gnu/bits/types/stack_t.h b/lib/libc/include/mips-linux-gnu/bits/types/stack_t.h
index b62c3481401cfa0d96e6ad728da7be43b2e881c4..03e800bd0c938d41f2913ac3ba26a8723010fed0 100644
--- a/lib/libc/include/mips-linux-gnu/bits/types/stack_t.h
+++ b/lib/libc/include/mips-linux-gnu/bits/types/stack_t.h
@@ -1,5 +1,5 @@
 /* Define stack_t.  MIPS Linux version.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __stack_t_defined
 #define __stack_t_defined 1
diff --git a/lib/libc/include/mips-linux-gnu/ieee754.h b/lib/libc/include/mips-linux-gnu/ieee754.h
index 600dbce3d8286cb0f64169ec0601e844387a2cbd..86baeceab6122aba887a69b97876e78376f5c017 100644
--- a/lib/libc/include/mips-linux-gnu/ieee754.h
+++ b/lib/libc/include/mips-linux-gnu/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,16 +13,19 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
-#include <float.h>
+#ifndef __LDBL_MANT_DIG__
+# include <float.h>
+# define __LDBL_MANT_DIG__ LDBL_MANT_DIG
+#endif
 
 __BEGIN_DECLS
 
@@ -127,7 +130,7 @@ union ieee754_double
 
 #define IEEE754_DOUBLE_BIAS	0x3ff /* Added to exponent.  */
 
-#if LDBL_MANT_DIG == 113
+#if __LDBL_MANT_DIG__ == 113
 
 union ieee854_long_double
   {
@@ -184,7 +187,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS 0x3fff /* Added to exponent.  */
 
-#elif LDBL_MANT_DIG == 64
+#elif __LDBL_MANT_DIG__ == 64
 
 union ieee854_long_double
   {
@@ -253,7 +256,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS 0x3fff
 
-#elif LDBL_MANT_DIG == 53
+#elif __LDBL_MANT_DIG__ == 53
 
 union ieee854_long_double
   {
@@ -316,7 +319,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS	0x3ff /* Added to exponent.  */
 
-#endif /* LDBL_MANT_DIG == 53 */
+#endif /* __LDBL_MANT_DIG__ == 53 */
 
 __END_DECLS
 
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/dlfcn.h b/lib/libc/include/mips64-linux-gnuabi64/bits/dlfcn.h
index 996be6f45b1d30719fc3aea34e42720148d73616..f0c7dabbcc76c8f2ecdea6b51053437e90fe610c 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/dlfcn.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/dlfcn.h
@@ -1,5 +1,5 @@
 /* System dependent definitions for run-time dynamic loading.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _DLFCN_H
 # error "Never use <bits/dlfcn.h> directly; include <dlfcn.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/errno.h b/lib/libc/include/mips64-linux-gnuabi64/bits/errno.h
index 2d6069ad8a939c1406695d41f8b68a42cb08fb03..a508c37d1c28296ddcbc918420eea0f10243c929 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/errno.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/errno.h
@@ -1,5 +1,5 @@
 /* Error constants.  MIPS/Linux specific version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_ERRNO_H
 
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/eventfd.h b/lib/libc/include/mips64-linux-gnuabi64/bits/eventfd.h
index 9ff48c23fb04c07d3b3fc0bb38ebf071bef202a8..f1bea57e1915ba3cf34615fa291d177cfe9e7fff 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/eventfd.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/eventfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EVENTFD_H
 # error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/inotify.h b/lib/libc/include/mips64-linux-gnuabi64/bits/inotify.h
index d063466c30c723caf2d7006c485548dbe937d215..5025b69e8a856f0b1364486041544c54e8ab5546 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/inotify.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/inotify.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_INOTIFY_H
 # error "Never use <bits/inotify.h> directly; include <sys/inotify.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/ioctl-types.h b/lib/libc/include/mips64-linux-gnuabi64/bits/ioctl-types.h
index bfbdac6f57497205cbcdc093f8f78aed1b1978ff..064494da7612f5b496eb210de5f1048383cba6de 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/ioctl-types.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/ioctl-types.h
@@ -1,5 +1,5 @@
 /* Structure types for pre-termios terminal ioctls.  Linux/MIPS version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/ipc.h b/lib/libc/include/mips64-linux-gnuabi64/bits/ipc.h
deleted file mode 100644
index e994ffc9ad4465ec7128ac5c153199605acf2ec1..0000000000000000000000000000000000000000
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/ipc.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_IPC_H
-# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
-#endif
-
-#include <bits/types.h>
-
-/* Mode bits for `msgget', `semget', and `shmget'.  */
-#define IPC_CREAT	01000		/* Create key if key does not exist. */
-#define IPC_EXCL	02000		/* Fail if key exists.	*/
-#define IPC_NOWAIT	04000		/* Return error on wait.  */
-
-/* Control commands for `msgctl', `semctl', and `shmctl'.  */
-#define IPC_RMID	0		/* Remove identifier.  */
-#define IPC_SET		1		/* Set `ipc_perm' options.  */
-#define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#ifdef __USE_GNU
-# define IPC_INFO	3		/* See ipcs.  */
-#endif
-
-/* Special key values.	*/
-#define IPC_PRIVATE	((__key_t) 0)	/* Private key.	 */
-
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;			/* Key.  */
-    unsigned int uid;			/* Owner's user ID.  */
-    unsigned int gid;			/* Owner's group ID.  */
-    unsigned int cuid;			/* Creator's user ID.  */
-    unsigned int cgid;			/* Creator's group ID.	*/
-    unsigned int mode;			/* Read/write permission.  */
-    unsigned short int __seq;		/* Sequence number.  */
-    unsigned short int __pad1;
-    unsigned long int __glibc_reserved1;
-    unsigned long int __glibc_reserved2;
-};
\ No newline at end of file
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/ipctypes.h b/lib/libc/include/mips64-linux-gnuabi64/bits/ipctypes.h
index ffea8d325cb01dab03df513b3df4b2f6de471944..a40b72c769b7be81a399ef70a28fa3ce3407476c 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/ipctypes.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/ipctypes.h
@@ -1,5 +1,5 @@
 /* bits/ipctypes.h -- Define some types used by SysV IPC/MSG/SHM.  MIPS version
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Never include <bits/ipctypes.h> directly.
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/local_lim.h b/lib/libc/include/mips64-linux-gnuabi64/bits/local_lim.h
index 96b65eb6869dda0fc414bb4fef06915ced16193c..2f7a63a3dde5268d0ed9ca3e4486ddc252ed6e40 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/local_lim.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  MIPS Linux version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/mman.h b/lib/libc/include/mips64-linux-gnuabi64/bits/mman.h
index 43c768ab5ec9f63532e13953426ba7b54aab2517..ec9cc654caa7e2ed03278e0fb20dbb4ca8fa6bba 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/mman.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/MIPS version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/msq-pad.h b/lib/libc/include/mips64-linux-gnuabi64/bits/msq-pad.h
index 2cde6ddf34a4d20f90e3c79bb99753c87207ed5b..132f7815a7c8c20e8d8237efdab7ce4d43b71ca4 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/msq-pad.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/msq-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct msqid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MSG_H
 # error "Never use <bits/msq-pad.h> directly; include <sys/msg.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/poll.h b/lib/libc/include/mips64-linux-gnuabi64/bits/poll.h
index 77934600076e60a0730e849d7bd4baf80e79a5f3..e1901823cab1500f441182f065c08880af86e712 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/poll.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/poll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_POLL_H
 # error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/pthreadtypes-arch.h b/lib/libc/include/mips64-linux-gnuabi64/bits/pthreadtypes-arch.h
new file mode 100644
index 0000000000000000000000000000000000000000..6fb6e1c0b0c98ff6f7dbd29305f9e33cfedf9c61
--- /dev/null
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/pthreadtypes-arch.h
@@ -0,0 +1,44 @@
+/* Machine-specific pthread type layouts.  MIPS version.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_PTHREADTYPES_ARCH_H
+#define _BITS_PTHREADTYPES_ARCH_H	1
+
+#include <bits/endian.h>
+
+#if _MIPS_SIM == _ABI64
+# define __SIZEOF_PTHREAD_ATTR_T 56
+# define __SIZEOF_PTHREAD_MUTEX_T 40
+# define __SIZEOF_PTHREAD_RWLOCK_T 56
+# define __SIZEOF_PTHREAD_BARRIER_T 32
+#else
+# define __SIZEOF_PTHREAD_ATTR_T 36
+# define __SIZEOF_PTHREAD_MUTEX_T 24
+# define __SIZEOF_PTHREAD_RWLOCK_T 32
+# define __SIZEOF_PTHREAD_BARRIER_T 20
+#endif
+#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
+#define __SIZEOF_PTHREAD_COND_T 48
+#define __SIZEOF_PTHREAD_CONDATTR_T 4
+#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
+#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
+
+#define __LOCK_ALIGNMENT
+#define __ONCE_ALIGNMENT
+
+#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/resource.h b/lib/libc/include/mips64-linux-gnuabi64/bits/resource.h
index 2f200b10250852a8b5c31fb93c128db105dd9b5b..11fc73b49da518ccd0c634d2306350d0f50d33d2 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/resource.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/resource.h
@@ -1,5 +1,5 @@
 /* Bit values & structures for resource limits.  Linux/MIPS version.
-   Copyright (C) 1994-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_RESOURCE_H
 # error "Never use <bits/resource.h> directly; include <sys/resource.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/sem-pad.h b/lib/libc/include/mips64-linux-gnuabi64/bits/sem-pad.h
index b1810b2080f11df7dcdf7374e09efeb6fc6ced6a..0638180f089f5957563adf9cfe0ceb39b3d8803b 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/sem-pad.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/shm-pad.h b/lib/libc/include/mips64-linux-gnuabi64/bits/shm-pad.h
index e672c8c7b042e8825e6489856fcee8a43efbba58..1c596174a8d071fe5b01ec9f329dd0f64866d00b 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/shm-pad.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/shm-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct shmid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shm-pad.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/shmlba.h b/lib/libc/include/mips64-linux-gnuabi64/bits/shmlba.h
index 9561decd9a4c8d64e0e66f37dcb1fe6ac095bc65..9f61bc9247c586b2a6c0232bdde5c7bdd1b51079 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/shmlba.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/shmlba.h
@@ -1,5 +1,5 @@
 /* Define SHMLBA.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/sigaction.h b/lib/libc/include/mips64-linux-gnuabi64/bits/sigaction.h
index bbc6004b5998e0a755e4ebb48f71ae3c61f9e5bb..af27d0c0fc06bf3f5e4c3f3b2b6f0a02a71f80a8 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/sigaction.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/sigaction.h
@@ -1,5 +1,5 @@
 /* The proper definitions for Linux/MIPS's sigaction.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGACTION_H
 #define _BITS_SIGACTION_H 1
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/sigcontext.h b/lib/libc/include/mips64-linux-gnuabi64/bits/sigcontext.h
index 231695c93f4cbd690088e389898e3b93fa76a3a1..cb51a1980fcd3abd5e9625350584523cffc1ee7e 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/sigcontext.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/sigcontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.  This file is part of the GNU C Library.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.  This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -12,7 +12,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGCONTEXT_H
 #define _BITS_SIGCONTEXT_H 1
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/signalfd.h b/lib/libc/include/mips64-linux-gnuabi64/bits/signalfd.h
index a8f5275551d72d74a85bff0840ffcdcfb8049f1a..8bc180b1b88d078da3a14f5c01e4672b0bb0c2bc 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/signalfd.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/signalfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_SIGNALFD_H
 # error "Never use <bits/signalfd.h> directly; include <sys/signalfd.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/signum.h b/lib/libc/include/mips64-linux-gnuabi64/bits/signum.h
index e3cd97af8b3d20b86e12ef1fb00450edfadc15c9..e9fa21916bc76fbe24707c37d2f818bd24ff6d62 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/signum.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/signum.h
@@ -1,5 +1,5 @@
 /* Signal number definitions.  Linux/MIPS version.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGNUM_H
 #define _BITS_SIGNUM_H 1
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/socket-constants.h b/lib/libc/include/mips64-linux-gnuabi64/bits/socket-constants.h
index cfd1839b98efe6dee095434c69a0183802cb243c..6ed2492084fa1149fd8c041393824d044675b1ea 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/socket-constants.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/socket-constants.h
@@ -1,5 +1,5 @@
 /* Socket constants which vary among Linux architectures.  Version for MIPS.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/socket_type.h b/lib/libc/include/mips64-linux-gnuabi64/bits/socket_type.h
index 4c976f179e4a592682e169ffc92e61db458e5d03..ad858e116abab294081adbe83a0f3e00e9e81d93 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/socket_type.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/socket_type.h
@@ -1,5 +1,5 @@
 /* Define enum __socket_type for Linux/MIPS.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket_type.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/statfs.h b/lib/libc/include/mips64-linux-gnuabi64/bits/statfs.h
index fd0f68d6d7da148388419e5badcdbf01caaf0eee..fad668a7a3c2838c968ab31c0fd13761507948f7 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/statfs.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/statfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_STATFS_H
 # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/struct_mutex.h b/lib/libc/include/mips64-linux-gnuabi64/bits/struct_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..025ccddc140683e8019e2b4de0d676e1e036711d
--- /dev/null
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/struct_mutex.h
@@ -0,0 +1,56 @@
+/* MIPS internal mutex struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_MUTEX_INTERNAL_H
+#define _THREAD_MUTEX_INTERNAL_H 1
+
+struct __pthread_mutex_s
+{
+  int __lock;
+  unsigned int __count;
+  int __owner;
+#if _MIPS_SIM == _ABI64
+  unsigned int __nusers;
+#endif
+  /* KIND must stay at this position in the structure to maintain
+     binary compatibility with static initializers.  */
+  int __kind;
+#if _MIPS_SIM == _ABI64
+  int __spins;
+  __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV      1
+#else
+  unsigned int __nusers;
+  __extension__ union
+  {
+    int __spins;
+    __pthread_slist_t __list;
+  };
+# define __PTHREAD_MUTEX_HAVE_PREV      0
+#endif
+};
+
+#if _MIPS_SIM == _ABI64
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, 0, __kind, 0, { 0, 0 }
+#else
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, __kind, 0, { 0 }
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/termios-c_cc.h b/lib/libc/include/mips64-linux-gnuabi64/bits/termios-c_cc.h
index ed124b8db4df74414fc5cbacf5aede40ba376dfe..5b5850ca57542abb326544681cc5491b39e079ba 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/termios-c_cc.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/termios-c_cc.h
@@ -1,5 +1,5 @@
 /* termios c_cc symbolic constant definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/termios-c_lflag.h b/lib/libc/include/mips64-linux-gnuabi64/bits/termios-c_lflag.h
index e5a67734766ae01dc4d488d8db7a64b162cb3d4d..cc1f2a0bd55017b5fdda01fcf8a3c80d140a156d 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/termios-c_lflag.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/termios-c_lflag.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_lflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/termios-struct.h b/lib/libc/include/mips64-linux-gnuabi64/bits/termios-struct.h
index 0442c6f354657898ae4b040c3c00d3fc7ecced64..f046eaaa80e4f3ad0d81102f92c54138cd0dcf34 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/termios-struct.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/termios-struct.h
@@ -1,5 +1,5 @@
 /* struct termios definition.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-struct.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/termios-tcflow.h b/lib/libc/include/mips64-linux-gnuabi64/bits/termios-tcflow.h
index 2c523c3a2a4d38af3423f6b73ff97465a7cca982..f21c02a38937a32ecb0e3f62f085ffe9044a5eac 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/termios-tcflow.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/termios-tcflow.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-tcflow.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/timerfd.h b/lib/libc/include/mips64-linux-gnuabi64/bits/timerfd.h
index 005d411617736274e5665d12ff429f3b09167562..79ff9d0cc48fab58de42ef30fd9657de2666c65a 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/timerfd.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/timerfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_TIMERFD_H
 # error "Never use <bits/timerfd.h> directly; include <sys/timerfd.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabi64/bits/types/stack_t.h b/lib/libc/include/mips64-linux-gnuabi64/bits/types/stack_t.h
index b62c3481401cfa0d96e6ad728da7be43b2e881c4..03e800bd0c938d41f2913ac3ba26a8723010fed0 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/bits/types/stack_t.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/bits/types/stack_t.h
@@ -1,5 +1,5 @@
 /* Define stack_t.  MIPS Linux version.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __stack_t_defined
 #define __stack_t_defined 1
diff --git a/lib/libc/include/mips64-linux-gnuabi64/ieee754.h b/lib/libc/include/mips64-linux-gnuabi64/ieee754.h
index 600dbce3d8286cb0f64169ec0601e844387a2cbd..86baeceab6122aba887a69b97876e78376f5c017 100644
--- a/lib/libc/include/mips64-linux-gnuabi64/ieee754.h
+++ b/lib/libc/include/mips64-linux-gnuabi64/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,16 +13,19 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
-#include <float.h>
+#ifndef __LDBL_MANT_DIG__
+# include <float.h>
+# define __LDBL_MANT_DIG__ LDBL_MANT_DIG
+#endif
 
 __BEGIN_DECLS
 
@@ -127,7 +130,7 @@ union ieee754_double
 
 #define IEEE754_DOUBLE_BIAS	0x3ff /* Added to exponent.  */
 
-#if LDBL_MANT_DIG == 113
+#if __LDBL_MANT_DIG__ == 113
 
 union ieee854_long_double
   {
@@ -184,7 +187,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS 0x3fff /* Added to exponent.  */
 
-#elif LDBL_MANT_DIG == 64
+#elif __LDBL_MANT_DIG__ == 64
 
 union ieee854_long_double
   {
@@ -253,7 +256,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS 0x3fff
 
-#elif LDBL_MANT_DIG == 53
+#elif __LDBL_MANT_DIG__ == 53
 
 union ieee854_long_double
   {
@@ -316,7 +319,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS	0x3ff /* Added to exponent.  */
 
-#endif /* LDBL_MANT_DIG == 53 */
+#endif /* __LDBL_MANT_DIG__ == 53 */
 
 __END_DECLS
 
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/dlfcn.h b/lib/libc/include/mips64-linux-gnuabin32/bits/dlfcn.h
index 996be6f45b1d30719fc3aea34e42720148d73616..f0c7dabbcc76c8f2ecdea6b51053437e90fe610c 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/dlfcn.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/dlfcn.h
@@ -1,5 +1,5 @@
 /* System dependent definitions for run-time dynamic loading.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _DLFCN_H
 # error "Never use <bits/dlfcn.h> directly; include <dlfcn.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/errno.h b/lib/libc/include/mips64-linux-gnuabin32/bits/errno.h
index 2d6069ad8a939c1406695d41f8b68a42cb08fb03..a508c37d1c28296ddcbc918420eea0f10243c929 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/errno.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/errno.h
@@ -1,5 +1,5 @@
 /* Error constants.  MIPS/Linux specific version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_ERRNO_H
 
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/eventfd.h b/lib/libc/include/mips64-linux-gnuabin32/bits/eventfd.h
index 9ff48c23fb04c07d3b3fc0bb38ebf071bef202a8..f1bea57e1915ba3cf34615fa291d177cfe9e7fff 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/eventfd.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/eventfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EVENTFD_H
 # error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/inotify.h b/lib/libc/include/mips64-linux-gnuabin32/bits/inotify.h
index d063466c30c723caf2d7006c485548dbe937d215..5025b69e8a856f0b1364486041544c54e8ab5546 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/inotify.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/inotify.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_INOTIFY_H
 # error "Never use <bits/inotify.h> directly; include <sys/inotify.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/ioctl-types.h b/lib/libc/include/mips64-linux-gnuabin32/bits/ioctl-types.h
index bfbdac6f57497205cbcdc093f8f78aed1b1978ff..064494da7612f5b496eb210de5f1048383cba6de 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/ioctl-types.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/ioctl-types.h
@@ -1,5 +1,5 @@
 /* Structure types for pre-termios terminal ioctls.  Linux/MIPS version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/ipc.h b/lib/libc/include/mips64-linux-gnuabin32/bits/ipc.h
deleted file mode 100644
index e994ffc9ad4465ec7128ac5c153199605acf2ec1..0000000000000000000000000000000000000000
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/ipc.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_IPC_H
-# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
-#endif
-
-#include <bits/types.h>
-
-/* Mode bits for `msgget', `semget', and `shmget'.  */
-#define IPC_CREAT	01000		/* Create key if key does not exist. */
-#define IPC_EXCL	02000		/* Fail if key exists.	*/
-#define IPC_NOWAIT	04000		/* Return error on wait.  */
-
-/* Control commands for `msgctl', `semctl', and `shmctl'.  */
-#define IPC_RMID	0		/* Remove identifier.  */
-#define IPC_SET		1		/* Set `ipc_perm' options.  */
-#define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#ifdef __USE_GNU
-# define IPC_INFO	3		/* See ipcs.  */
-#endif
-
-/* Special key values.	*/
-#define IPC_PRIVATE	((__key_t) 0)	/* Private key.	 */
-
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;			/* Key.  */
-    unsigned int uid;			/* Owner's user ID.  */
-    unsigned int gid;			/* Owner's group ID.  */
-    unsigned int cuid;			/* Creator's user ID.  */
-    unsigned int cgid;			/* Creator's group ID.	*/
-    unsigned int mode;			/* Read/write permission.  */
-    unsigned short int __seq;		/* Sequence number.  */
-    unsigned short int __pad1;
-    unsigned long int __glibc_reserved1;
-    unsigned long int __glibc_reserved2;
-};
\ No newline at end of file
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/ipctypes.h b/lib/libc/include/mips64-linux-gnuabin32/bits/ipctypes.h
index ffea8d325cb01dab03df513b3df4b2f6de471944..a40b72c769b7be81a399ef70a28fa3ce3407476c 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/ipctypes.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/ipctypes.h
@@ -1,5 +1,5 @@
 /* bits/ipctypes.h -- Define some types used by SysV IPC/MSG/SHM.  MIPS version
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Never include <bits/ipctypes.h> directly.
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/local_lim.h b/lib/libc/include/mips64-linux-gnuabin32/bits/local_lim.h
index 96b65eb6869dda0fc414bb4fef06915ced16193c..2f7a63a3dde5268d0ed9ca3e4486ddc252ed6e40 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/local_lim.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  MIPS Linux version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/mman.h b/lib/libc/include/mips64-linux-gnuabin32/bits/mman.h
index 43c768ab5ec9f63532e13953426ba7b54aab2517..ec9cc654caa7e2ed03278e0fb20dbb4ca8fa6bba 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/mman.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/MIPS version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/msq-pad.h b/lib/libc/include/mips64-linux-gnuabin32/bits/msq-pad.h
index 2cde6ddf34a4d20f90e3c79bb99753c87207ed5b..132f7815a7c8c20e8d8237efdab7ce4d43b71ca4 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/msq-pad.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/msq-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct msqid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MSG_H
 # error "Never use <bits/msq-pad.h> directly; include <sys/msg.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/poll.h b/lib/libc/include/mips64-linux-gnuabin32/bits/poll.h
index 77934600076e60a0730e849d7bd4baf80e79a5f3..e1901823cab1500f441182f065c08880af86e712 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/poll.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/poll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_POLL_H
 # error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/pthreadtypes-arch.h b/lib/libc/include/mips64-linux-gnuabin32/bits/pthreadtypes-arch.h
new file mode 100644
index 0000000000000000000000000000000000000000..6fb6e1c0b0c98ff6f7dbd29305f9e33cfedf9c61
--- /dev/null
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/pthreadtypes-arch.h
@@ -0,0 +1,44 @@
+/* Machine-specific pthread type layouts.  MIPS version.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_PTHREADTYPES_ARCH_H
+#define _BITS_PTHREADTYPES_ARCH_H	1
+
+#include <bits/endian.h>
+
+#if _MIPS_SIM == _ABI64
+# define __SIZEOF_PTHREAD_ATTR_T 56
+# define __SIZEOF_PTHREAD_MUTEX_T 40
+# define __SIZEOF_PTHREAD_RWLOCK_T 56
+# define __SIZEOF_PTHREAD_BARRIER_T 32
+#else
+# define __SIZEOF_PTHREAD_ATTR_T 36
+# define __SIZEOF_PTHREAD_MUTEX_T 24
+# define __SIZEOF_PTHREAD_RWLOCK_T 32
+# define __SIZEOF_PTHREAD_BARRIER_T 20
+#endif
+#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
+#define __SIZEOF_PTHREAD_COND_T 48
+#define __SIZEOF_PTHREAD_CONDATTR_T 4
+#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
+#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
+
+#define __LOCK_ALIGNMENT
+#define __ONCE_ALIGNMENT
+
+#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/resource.h b/lib/libc/include/mips64-linux-gnuabin32/bits/resource.h
index 2f200b10250852a8b5c31fb93c128db105dd9b5b..11fc73b49da518ccd0c634d2306350d0f50d33d2 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/resource.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/resource.h
@@ -1,5 +1,5 @@
 /* Bit values & structures for resource limits.  Linux/MIPS version.
-   Copyright (C) 1994-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_RESOURCE_H
 # error "Never use <bits/resource.h> directly; include <sys/resource.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/sem-pad.h b/lib/libc/include/mips64-linux-gnuabin32/bits/sem-pad.h
index b1810b2080f11df7dcdf7374e09efeb6fc6ced6a..0638180f089f5957563adf9cfe0ceb39b3d8803b 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/sem-pad.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/shm-pad.h b/lib/libc/include/mips64-linux-gnuabin32/bits/shm-pad.h
index e672c8c7b042e8825e6489856fcee8a43efbba58..1c596174a8d071fe5b01ec9f329dd0f64866d00b 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/shm-pad.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/shm-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct shmid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shm-pad.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/shmlba.h b/lib/libc/include/mips64-linux-gnuabin32/bits/shmlba.h
index 9561decd9a4c8d64e0e66f37dcb1fe6ac095bc65..9f61bc9247c586b2a6c0232bdde5c7bdd1b51079 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/shmlba.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/shmlba.h
@@ -1,5 +1,5 @@
 /* Define SHMLBA.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/sigaction.h b/lib/libc/include/mips64-linux-gnuabin32/bits/sigaction.h
index bbc6004b5998e0a755e4ebb48f71ae3c61f9e5bb..af27d0c0fc06bf3f5e4c3f3b2b6f0a02a71f80a8 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/sigaction.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/sigaction.h
@@ -1,5 +1,5 @@
 /* The proper definitions for Linux/MIPS's sigaction.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGACTION_H
 #define _BITS_SIGACTION_H 1
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/sigcontext.h b/lib/libc/include/mips64-linux-gnuabin32/bits/sigcontext.h
index 231695c93f4cbd690088e389898e3b93fa76a3a1..cb51a1980fcd3abd5e9625350584523cffc1ee7e 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/sigcontext.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/sigcontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.  This file is part of the GNU C Library.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.  This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -12,7 +12,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGCONTEXT_H
 #define _BITS_SIGCONTEXT_H 1
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/signalfd.h b/lib/libc/include/mips64-linux-gnuabin32/bits/signalfd.h
index a8f5275551d72d74a85bff0840ffcdcfb8049f1a..8bc180b1b88d078da3a14f5c01e4672b0bb0c2bc 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/signalfd.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/signalfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_SIGNALFD_H
 # error "Never use <bits/signalfd.h> directly; include <sys/signalfd.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/signum.h b/lib/libc/include/mips64-linux-gnuabin32/bits/signum.h
index e3cd97af8b3d20b86e12ef1fb00450edfadc15c9..e9fa21916bc76fbe24707c37d2f818bd24ff6d62 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/signum.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/signum.h
@@ -1,5 +1,5 @@
 /* Signal number definitions.  Linux/MIPS version.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGNUM_H
 #define _BITS_SIGNUM_H 1
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/socket-constants.h b/lib/libc/include/mips64-linux-gnuabin32/bits/socket-constants.h
index cfd1839b98efe6dee095434c69a0183802cb243c..6ed2492084fa1149fd8c041393824d044675b1ea 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/socket-constants.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/socket-constants.h
@@ -1,5 +1,5 @@
 /* Socket constants which vary among Linux architectures.  Version for MIPS.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/socket_type.h b/lib/libc/include/mips64-linux-gnuabin32/bits/socket_type.h
index 4c976f179e4a592682e169ffc92e61db458e5d03..ad858e116abab294081adbe83a0f3e00e9e81d93 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/socket_type.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/socket_type.h
@@ -1,5 +1,5 @@
 /* Define enum __socket_type for Linux/MIPS.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket_type.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/statfs.h b/lib/libc/include/mips64-linux-gnuabin32/bits/statfs.h
index fd0f68d6d7da148388419e5badcdbf01caaf0eee..fad668a7a3c2838c968ab31c0fd13761507948f7 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/statfs.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/statfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_STATFS_H
 # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/struct_mutex.h b/lib/libc/include/mips64-linux-gnuabin32/bits/struct_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..025ccddc140683e8019e2b4de0d676e1e036711d
--- /dev/null
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/struct_mutex.h
@@ -0,0 +1,56 @@
+/* MIPS internal mutex struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_MUTEX_INTERNAL_H
+#define _THREAD_MUTEX_INTERNAL_H 1
+
+struct __pthread_mutex_s
+{
+  int __lock;
+  unsigned int __count;
+  int __owner;
+#if _MIPS_SIM == _ABI64
+  unsigned int __nusers;
+#endif
+  /* KIND must stay at this position in the structure to maintain
+     binary compatibility with static initializers.  */
+  int __kind;
+#if _MIPS_SIM == _ABI64
+  int __spins;
+  __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV      1
+#else
+  unsigned int __nusers;
+  __extension__ union
+  {
+    int __spins;
+    __pthread_slist_t __list;
+  };
+# define __PTHREAD_MUTEX_HAVE_PREV      0
+#endif
+};
+
+#if _MIPS_SIM == _ABI64
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, 0, __kind, 0, { 0, 0 }
+#else
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, __kind, 0, { 0 }
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/termios-c_cc.h b/lib/libc/include/mips64-linux-gnuabin32/bits/termios-c_cc.h
index ed124b8db4df74414fc5cbacf5aede40ba376dfe..5b5850ca57542abb326544681cc5491b39e079ba 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/termios-c_cc.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/termios-c_cc.h
@@ -1,5 +1,5 @@
 /* termios c_cc symbolic constant definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/termios-c_lflag.h b/lib/libc/include/mips64-linux-gnuabin32/bits/termios-c_lflag.h
index e5a67734766ae01dc4d488d8db7a64b162cb3d4d..cc1f2a0bd55017b5fdda01fcf8a3c80d140a156d 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/termios-c_lflag.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/termios-c_lflag.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_lflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/termios-struct.h b/lib/libc/include/mips64-linux-gnuabin32/bits/termios-struct.h
index 0442c6f354657898ae4b040c3c00d3fc7ecced64..f046eaaa80e4f3ad0d81102f92c54138cd0dcf34 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/termios-struct.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/termios-struct.h
@@ -1,5 +1,5 @@
 /* struct termios definition.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-struct.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/termios-tcflow.h b/lib/libc/include/mips64-linux-gnuabin32/bits/termios-tcflow.h
index 2c523c3a2a4d38af3423f6b73ff97465a7cca982..f21c02a38937a32ecb0e3f62f085ffe9044a5eac 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/termios-tcflow.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/termios-tcflow.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-tcflow.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/timerfd.h b/lib/libc/include/mips64-linux-gnuabin32/bits/timerfd.h
index 005d411617736274e5665d12ff429f3b09167562..79ff9d0cc48fab58de42ef30fd9657de2666c65a 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/timerfd.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/timerfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_TIMERFD_H
 # error "Never use <bits/timerfd.h> directly; include <sys/timerfd.h> instead."
diff --git a/lib/libc/include/mips64-linux-gnuabin32/bits/types/stack_t.h b/lib/libc/include/mips64-linux-gnuabin32/bits/types/stack_t.h
index b62c3481401cfa0d96e6ad728da7be43b2e881c4..03e800bd0c938d41f2913ac3ba26a8723010fed0 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/bits/types/stack_t.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/bits/types/stack_t.h
@@ -1,5 +1,5 @@
 /* Define stack_t.  MIPS Linux version.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __stack_t_defined
 #define __stack_t_defined 1
diff --git a/lib/libc/include/mips64-linux-gnuabin32/ieee754.h b/lib/libc/include/mips64-linux-gnuabin32/ieee754.h
index 600dbce3d8286cb0f64169ec0601e844387a2cbd..86baeceab6122aba887a69b97876e78376f5c017 100644
--- a/lib/libc/include/mips64-linux-gnuabin32/ieee754.h
+++ b/lib/libc/include/mips64-linux-gnuabin32/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,16 +13,19 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
-#include <float.h>
+#ifndef __LDBL_MANT_DIG__
+# include <float.h>
+# define __LDBL_MANT_DIG__ LDBL_MANT_DIG
+#endif
 
 __BEGIN_DECLS
 
@@ -127,7 +130,7 @@ union ieee754_double
 
 #define IEEE754_DOUBLE_BIAS	0x3ff /* Added to exponent.  */
 
-#if LDBL_MANT_DIG == 113
+#if __LDBL_MANT_DIG__ == 113
 
 union ieee854_long_double
   {
@@ -184,7 +187,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS 0x3fff /* Added to exponent.  */
 
-#elif LDBL_MANT_DIG == 64
+#elif __LDBL_MANT_DIG__ == 64
 
 union ieee854_long_double
   {
@@ -253,7 +256,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS 0x3fff
 
-#elif LDBL_MANT_DIG == 53
+#elif __LDBL_MANT_DIG__ == 53
 
 union ieee854_long_double
   {
@@ -316,7 +319,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS	0x3ff /* Added to exponent.  */
 
-#endif /* LDBL_MANT_DIG == 53 */
+#endif /* __LDBL_MANT_DIG__ == 53 */
 
 __END_DECLS
 
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/dlfcn.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/dlfcn.h
index 996be6f45b1d30719fc3aea34e42720148d73616..f0c7dabbcc76c8f2ecdea6b51053437e90fe610c 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/dlfcn.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/dlfcn.h
@@ -1,5 +1,5 @@
 /* System dependent definitions for run-time dynamic loading.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _DLFCN_H
 # error "Never use <bits/dlfcn.h> directly; include <dlfcn.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/errno.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/errno.h
index 2d6069ad8a939c1406695d41f8b68a42cb08fb03..a508c37d1c28296ddcbc918420eea0f10243c929 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/errno.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/errno.h
@@ -1,5 +1,5 @@
 /* Error constants.  MIPS/Linux specific version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_ERRNO_H
 
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/eventfd.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/eventfd.h
index 9ff48c23fb04c07d3b3fc0bb38ebf071bef202a8..f1bea57e1915ba3cf34615fa291d177cfe9e7fff 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/eventfd.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/eventfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EVENTFD_H
 # error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/inotify.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/inotify.h
index d063466c30c723caf2d7006c485548dbe937d215..5025b69e8a856f0b1364486041544c54e8ab5546 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/inotify.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/inotify.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_INOTIFY_H
 # error "Never use <bits/inotify.h> directly; include <sys/inotify.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/ioctl-types.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/ioctl-types.h
index bfbdac6f57497205cbcdc093f8f78aed1b1978ff..064494da7612f5b496eb210de5f1048383cba6de 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/ioctl-types.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/ioctl-types.h
@@ -1,5 +1,5 @@
 /* Structure types for pre-termios terminal ioctls.  Linux/MIPS version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/ipc.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/ipc.h
deleted file mode 100644
index e994ffc9ad4465ec7128ac5c153199605acf2ec1..0000000000000000000000000000000000000000
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/ipc.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_IPC_H
-# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
-#endif
-
-#include <bits/types.h>
-
-/* Mode bits for `msgget', `semget', and `shmget'.  */
-#define IPC_CREAT	01000		/* Create key if key does not exist. */
-#define IPC_EXCL	02000		/* Fail if key exists.	*/
-#define IPC_NOWAIT	04000		/* Return error on wait.  */
-
-/* Control commands for `msgctl', `semctl', and `shmctl'.  */
-#define IPC_RMID	0		/* Remove identifier.  */
-#define IPC_SET		1		/* Set `ipc_perm' options.  */
-#define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#ifdef __USE_GNU
-# define IPC_INFO	3		/* See ipcs.  */
-#endif
-
-/* Special key values.	*/
-#define IPC_PRIVATE	((__key_t) 0)	/* Private key.	 */
-
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;			/* Key.  */
-    unsigned int uid;			/* Owner's user ID.  */
-    unsigned int gid;			/* Owner's group ID.  */
-    unsigned int cuid;			/* Creator's user ID.  */
-    unsigned int cgid;			/* Creator's group ID.	*/
-    unsigned int mode;			/* Read/write permission.  */
-    unsigned short int __seq;		/* Sequence number.  */
-    unsigned short int __pad1;
-    unsigned long int __glibc_reserved1;
-    unsigned long int __glibc_reserved2;
-};
\ No newline at end of file
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/ipctypes.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/ipctypes.h
index ffea8d325cb01dab03df513b3df4b2f6de471944..a40b72c769b7be81a399ef70a28fa3ce3407476c 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/ipctypes.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/ipctypes.h
@@ -1,5 +1,5 @@
 /* bits/ipctypes.h -- Define some types used by SysV IPC/MSG/SHM.  MIPS version
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Never include <bits/ipctypes.h> directly.
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/local_lim.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/local_lim.h
index 96b65eb6869dda0fc414bb4fef06915ced16193c..2f7a63a3dde5268d0ed9ca3e4486ddc252ed6e40 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/local_lim.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  MIPS Linux version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/mman.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/mman.h
index 43c768ab5ec9f63532e13953426ba7b54aab2517..ec9cc654caa7e2ed03278e0fb20dbb4ca8fa6bba 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/mman.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/MIPS version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/msq-pad.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/msq-pad.h
index 2cde6ddf34a4d20f90e3c79bb99753c87207ed5b..132f7815a7c8c20e8d8237efdab7ce4d43b71ca4 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/msq-pad.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/msq-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct msqid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MSG_H
 # error "Never use <bits/msq-pad.h> directly; include <sys/msg.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/poll.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/poll.h
index 77934600076e60a0730e849d7bd4baf80e79a5f3..e1901823cab1500f441182f065c08880af86e712 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/poll.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/poll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_POLL_H
 # error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/pthreadtypes-arch.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/pthreadtypes-arch.h
new file mode 100644
index 0000000000000000000000000000000000000000..6fb6e1c0b0c98ff6f7dbd29305f9e33cfedf9c61
--- /dev/null
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/pthreadtypes-arch.h
@@ -0,0 +1,44 @@
+/* Machine-specific pthread type layouts.  MIPS version.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_PTHREADTYPES_ARCH_H
+#define _BITS_PTHREADTYPES_ARCH_H	1
+
+#include <bits/endian.h>
+
+#if _MIPS_SIM == _ABI64
+# define __SIZEOF_PTHREAD_ATTR_T 56
+# define __SIZEOF_PTHREAD_MUTEX_T 40
+# define __SIZEOF_PTHREAD_RWLOCK_T 56
+# define __SIZEOF_PTHREAD_BARRIER_T 32
+#else
+# define __SIZEOF_PTHREAD_ATTR_T 36
+# define __SIZEOF_PTHREAD_MUTEX_T 24
+# define __SIZEOF_PTHREAD_RWLOCK_T 32
+# define __SIZEOF_PTHREAD_BARRIER_T 20
+#endif
+#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
+#define __SIZEOF_PTHREAD_COND_T 48
+#define __SIZEOF_PTHREAD_CONDATTR_T 4
+#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
+#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
+
+#define __LOCK_ALIGNMENT
+#define __ONCE_ALIGNMENT
+
+#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/resource.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/resource.h
index 2f200b10250852a8b5c31fb93c128db105dd9b5b..11fc73b49da518ccd0c634d2306350d0f50d33d2 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/resource.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/resource.h
@@ -1,5 +1,5 @@
 /* Bit values & structures for resource limits.  Linux/MIPS version.
-   Copyright (C) 1994-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_RESOURCE_H
 # error "Never use <bits/resource.h> directly; include <sys/resource.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/sem-pad.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/sem-pad.h
index b1810b2080f11df7dcdf7374e09efeb6fc6ced6a..0638180f089f5957563adf9cfe0ceb39b3d8803b 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/sem-pad.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/shm-pad.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/shm-pad.h
index e672c8c7b042e8825e6489856fcee8a43efbba58..1c596174a8d071fe5b01ec9f329dd0f64866d00b 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/shm-pad.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/shm-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct shmid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shm-pad.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/shmlba.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/shmlba.h
index 9561decd9a4c8d64e0e66f37dcb1fe6ac095bc65..9f61bc9247c586b2a6c0232bdde5c7bdd1b51079 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/shmlba.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/shmlba.h
@@ -1,5 +1,5 @@
 /* Define SHMLBA.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/sigaction.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/sigaction.h
index bbc6004b5998e0a755e4ebb48f71ae3c61f9e5bb..af27d0c0fc06bf3f5e4c3f3b2b6f0a02a71f80a8 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/sigaction.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/sigaction.h
@@ -1,5 +1,5 @@
 /* The proper definitions for Linux/MIPS's sigaction.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGACTION_H
 #define _BITS_SIGACTION_H 1
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/sigcontext.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/sigcontext.h
index 231695c93f4cbd690088e389898e3b93fa76a3a1..cb51a1980fcd3abd5e9625350584523cffc1ee7e 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/sigcontext.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/sigcontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.  This file is part of the GNU C Library.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.  This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -12,7 +12,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGCONTEXT_H
 #define _BITS_SIGCONTEXT_H 1
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/signalfd.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/signalfd.h
index a8f5275551d72d74a85bff0840ffcdcfb8049f1a..8bc180b1b88d078da3a14f5c01e4672b0bb0c2bc 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/signalfd.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/signalfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_SIGNALFD_H
 # error "Never use <bits/signalfd.h> directly; include <sys/signalfd.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/signum.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/signum.h
index e3cd97af8b3d20b86e12ef1fb00450edfadc15c9..e9fa21916bc76fbe24707c37d2f818bd24ff6d62 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/signum.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/signum.h
@@ -1,5 +1,5 @@
 /* Signal number definitions.  Linux/MIPS version.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGNUM_H
 #define _BITS_SIGNUM_H 1
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/socket-constants.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/socket-constants.h
index cfd1839b98efe6dee095434c69a0183802cb243c..6ed2492084fa1149fd8c041393824d044675b1ea 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/socket-constants.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/socket-constants.h
@@ -1,5 +1,5 @@
 /* Socket constants which vary among Linux architectures.  Version for MIPS.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/socket_type.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/socket_type.h
index 4c976f179e4a592682e169ffc92e61db458e5d03..ad858e116abab294081adbe83a0f3e00e9e81d93 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/socket_type.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/socket_type.h
@@ -1,5 +1,5 @@
 /* Define enum __socket_type for Linux/MIPS.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket_type.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/statfs.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/statfs.h
index fd0f68d6d7da148388419e5badcdbf01caaf0eee..fad668a7a3c2838c968ab31c0fd13761507948f7 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/statfs.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/statfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_STATFS_H
 # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/struct_mutex.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/struct_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..025ccddc140683e8019e2b4de0d676e1e036711d
--- /dev/null
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/struct_mutex.h
@@ -0,0 +1,56 @@
+/* MIPS internal mutex struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_MUTEX_INTERNAL_H
+#define _THREAD_MUTEX_INTERNAL_H 1
+
+struct __pthread_mutex_s
+{
+  int __lock;
+  unsigned int __count;
+  int __owner;
+#if _MIPS_SIM == _ABI64
+  unsigned int __nusers;
+#endif
+  /* KIND must stay at this position in the structure to maintain
+     binary compatibility with static initializers.  */
+  int __kind;
+#if _MIPS_SIM == _ABI64
+  int __spins;
+  __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV      1
+#else
+  unsigned int __nusers;
+  __extension__ union
+  {
+    int __spins;
+    __pthread_slist_t __list;
+  };
+# define __PTHREAD_MUTEX_HAVE_PREV      0
+#endif
+};
+
+#if _MIPS_SIM == _ABI64
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, 0, __kind, 0, { 0, 0 }
+#else
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, __kind, 0, { 0 }
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-c_cc.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-c_cc.h
index ed124b8db4df74414fc5cbacf5aede40ba376dfe..5b5850ca57542abb326544681cc5491b39e079ba 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-c_cc.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-c_cc.h
@@ -1,5 +1,5 @@
 /* termios c_cc symbolic constant definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-c_lflag.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-c_lflag.h
index e5a67734766ae01dc4d488d8db7a64b162cb3d4d..cc1f2a0bd55017b5fdda01fcf8a3c80d140a156d 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-c_lflag.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-c_lflag.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_lflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-struct.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-struct.h
index 0442c6f354657898ae4b040c3c00d3fc7ecced64..f046eaaa80e4f3ad0d81102f92c54138cd0dcf34 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-struct.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-struct.h
@@ -1,5 +1,5 @@
 /* struct termios definition.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-struct.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-tcflow.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-tcflow.h
index 2c523c3a2a4d38af3423f6b73ff97465a7cca982..f21c02a38937a32ecb0e3f62f085ffe9044a5eac 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-tcflow.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/termios-tcflow.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-tcflow.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/timerfd.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/timerfd.h
index 005d411617736274e5665d12ff429f3b09167562..79ff9d0cc48fab58de42ef30fd9657de2666c65a 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/timerfd.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/timerfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_TIMERFD_H
 # error "Never use <bits/timerfd.h> directly; include <sys/timerfd.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/bits/types/stack_t.h b/lib/libc/include/mips64el-linux-gnuabi64/bits/types/stack_t.h
index b62c3481401cfa0d96e6ad728da7be43b2e881c4..03e800bd0c938d41f2913ac3ba26a8723010fed0 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/bits/types/stack_t.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/bits/types/stack_t.h
@@ -1,5 +1,5 @@
 /* Define stack_t.  MIPS Linux version.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __stack_t_defined
 #define __stack_t_defined 1
diff --git a/lib/libc/include/mips64el-linux-gnuabi64/ieee754.h b/lib/libc/include/mips64el-linux-gnuabi64/ieee754.h
index 600dbce3d8286cb0f64169ec0601e844387a2cbd..86baeceab6122aba887a69b97876e78376f5c017 100644
--- a/lib/libc/include/mips64el-linux-gnuabi64/ieee754.h
+++ b/lib/libc/include/mips64el-linux-gnuabi64/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,16 +13,19 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
-#include <float.h>
+#ifndef __LDBL_MANT_DIG__
+# include <float.h>
+# define __LDBL_MANT_DIG__ LDBL_MANT_DIG
+#endif
 
 __BEGIN_DECLS
 
@@ -127,7 +130,7 @@ union ieee754_double
 
 #define IEEE754_DOUBLE_BIAS	0x3ff /* Added to exponent.  */
 
-#if LDBL_MANT_DIG == 113
+#if __LDBL_MANT_DIG__ == 113
 
 union ieee854_long_double
   {
@@ -184,7 +187,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS 0x3fff /* Added to exponent.  */
 
-#elif LDBL_MANT_DIG == 64
+#elif __LDBL_MANT_DIG__ == 64
 
 union ieee854_long_double
   {
@@ -253,7 +256,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS 0x3fff
 
-#elif LDBL_MANT_DIG == 53
+#elif __LDBL_MANT_DIG__ == 53
 
 union ieee854_long_double
   {
@@ -316,7 +319,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS	0x3ff /* Added to exponent.  */
 
-#endif /* LDBL_MANT_DIG == 53 */
+#endif /* __LDBL_MANT_DIG__ == 53 */
 
 __END_DECLS
 
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/dlfcn.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/dlfcn.h
index 996be6f45b1d30719fc3aea34e42720148d73616..f0c7dabbcc76c8f2ecdea6b51053437e90fe610c 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/dlfcn.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/dlfcn.h
@@ -1,5 +1,5 @@
 /* System dependent definitions for run-time dynamic loading.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _DLFCN_H
 # error "Never use <bits/dlfcn.h> directly; include <dlfcn.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/errno.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/errno.h
index 2d6069ad8a939c1406695d41f8b68a42cb08fb03..a508c37d1c28296ddcbc918420eea0f10243c929 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/errno.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/errno.h
@@ -1,5 +1,5 @@
 /* Error constants.  MIPS/Linux specific version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_ERRNO_H
 
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/eventfd.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/eventfd.h
index 9ff48c23fb04c07d3b3fc0bb38ebf071bef202a8..f1bea57e1915ba3cf34615fa291d177cfe9e7fff 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/eventfd.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/eventfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EVENTFD_H
 # error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/inotify.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/inotify.h
index d063466c30c723caf2d7006c485548dbe937d215..5025b69e8a856f0b1364486041544c54e8ab5546 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/inotify.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/inotify.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_INOTIFY_H
 # error "Never use <bits/inotify.h> directly; include <sys/inotify.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/ioctl-types.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/ioctl-types.h
index bfbdac6f57497205cbcdc093f8f78aed1b1978ff..064494da7612f5b496eb210de5f1048383cba6de 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/ioctl-types.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/ioctl-types.h
@@ -1,5 +1,5 @@
 /* Structure types for pre-termios terminal ioctls.  Linux/MIPS version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/ipc.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/ipc.h
deleted file mode 100644
index e994ffc9ad4465ec7128ac5c153199605acf2ec1..0000000000000000000000000000000000000000
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/ipc.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_IPC_H
-# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
-#endif
-
-#include <bits/types.h>
-
-/* Mode bits for `msgget', `semget', and `shmget'.  */
-#define IPC_CREAT	01000		/* Create key if key does not exist. */
-#define IPC_EXCL	02000		/* Fail if key exists.	*/
-#define IPC_NOWAIT	04000		/* Return error on wait.  */
-
-/* Control commands for `msgctl', `semctl', and `shmctl'.  */
-#define IPC_RMID	0		/* Remove identifier.  */
-#define IPC_SET		1		/* Set `ipc_perm' options.  */
-#define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#ifdef __USE_GNU
-# define IPC_INFO	3		/* See ipcs.  */
-#endif
-
-/* Special key values.	*/
-#define IPC_PRIVATE	((__key_t) 0)	/* Private key.	 */
-
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;			/* Key.  */
-    unsigned int uid;			/* Owner's user ID.  */
-    unsigned int gid;			/* Owner's group ID.  */
-    unsigned int cuid;			/* Creator's user ID.  */
-    unsigned int cgid;			/* Creator's group ID.	*/
-    unsigned int mode;			/* Read/write permission.  */
-    unsigned short int __seq;		/* Sequence number.  */
-    unsigned short int __pad1;
-    unsigned long int __glibc_reserved1;
-    unsigned long int __glibc_reserved2;
-};
\ No newline at end of file
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/ipctypes.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/ipctypes.h
index ffea8d325cb01dab03df513b3df4b2f6de471944..a40b72c769b7be81a399ef70a28fa3ce3407476c 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/ipctypes.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/ipctypes.h
@@ -1,5 +1,5 @@
 /* bits/ipctypes.h -- Define some types used by SysV IPC/MSG/SHM.  MIPS version
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Never include <bits/ipctypes.h> directly.
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/local_lim.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/local_lim.h
index 96b65eb6869dda0fc414bb4fef06915ced16193c..2f7a63a3dde5268d0ed9ca3e4486ddc252ed6e40 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/local_lim.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  MIPS Linux version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/mman.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/mman.h
index 43c768ab5ec9f63532e13953426ba7b54aab2517..ec9cc654caa7e2ed03278e0fb20dbb4ca8fa6bba 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/mman.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/MIPS version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/msq-pad.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/msq-pad.h
index 2cde6ddf34a4d20f90e3c79bb99753c87207ed5b..132f7815a7c8c20e8d8237efdab7ce4d43b71ca4 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/msq-pad.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/msq-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct msqid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MSG_H
 # error "Never use <bits/msq-pad.h> directly; include <sys/msg.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/poll.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/poll.h
index 77934600076e60a0730e849d7bd4baf80e79a5f3..e1901823cab1500f441182f065c08880af86e712 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/poll.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/poll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_POLL_H
 # error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/pthreadtypes-arch.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/pthreadtypes-arch.h
new file mode 100644
index 0000000000000000000000000000000000000000..6fb6e1c0b0c98ff6f7dbd29305f9e33cfedf9c61
--- /dev/null
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/pthreadtypes-arch.h
@@ -0,0 +1,44 @@
+/* Machine-specific pthread type layouts.  MIPS version.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_PTHREADTYPES_ARCH_H
+#define _BITS_PTHREADTYPES_ARCH_H	1
+
+#include <bits/endian.h>
+
+#if _MIPS_SIM == _ABI64
+# define __SIZEOF_PTHREAD_ATTR_T 56
+# define __SIZEOF_PTHREAD_MUTEX_T 40
+# define __SIZEOF_PTHREAD_RWLOCK_T 56
+# define __SIZEOF_PTHREAD_BARRIER_T 32
+#else
+# define __SIZEOF_PTHREAD_ATTR_T 36
+# define __SIZEOF_PTHREAD_MUTEX_T 24
+# define __SIZEOF_PTHREAD_RWLOCK_T 32
+# define __SIZEOF_PTHREAD_BARRIER_T 20
+#endif
+#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
+#define __SIZEOF_PTHREAD_COND_T 48
+#define __SIZEOF_PTHREAD_CONDATTR_T 4
+#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
+#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
+
+#define __LOCK_ALIGNMENT
+#define __ONCE_ALIGNMENT
+
+#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/resource.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/resource.h
index 2f200b10250852a8b5c31fb93c128db105dd9b5b..11fc73b49da518ccd0c634d2306350d0f50d33d2 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/resource.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/resource.h
@@ -1,5 +1,5 @@
 /* Bit values & structures for resource limits.  Linux/MIPS version.
-   Copyright (C) 1994-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_RESOURCE_H
 # error "Never use <bits/resource.h> directly; include <sys/resource.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/sem-pad.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/sem-pad.h
index b1810b2080f11df7dcdf7374e09efeb6fc6ced6a..0638180f089f5957563adf9cfe0ceb39b3d8803b 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/sem-pad.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/shm-pad.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/shm-pad.h
index e672c8c7b042e8825e6489856fcee8a43efbba58..1c596174a8d071fe5b01ec9f329dd0f64866d00b 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/shm-pad.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/shm-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct shmid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shm-pad.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/shmlba.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/shmlba.h
index 9561decd9a4c8d64e0e66f37dcb1fe6ac095bc65..9f61bc9247c586b2a6c0232bdde5c7bdd1b51079 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/shmlba.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/shmlba.h
@@ -1,5 +1,5 @@
 /* Define SHMLBA.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/sigaction.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/sigaction.h
index bbc6004b5998e0a755e4ebb48f71ae3c61f9e5bb..af27d0c0fc06bf3f5e4c3f3b2b6f0a02a71f80a8 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/sigaction.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/sigaction.h
@@ -1,5 +1,5 @@
 /* The proper definitions for Linux/MIPS's sigaction.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGACTION_H
 #define _BITS_SIGACTION_H 1
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/sigcontext.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/sigcontext.h
index 231695c93f4cbd690088e389898e3b93fa76a3a1..cb51a1980fcd3abd5e9625350584523cffc1ee7e 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/sigcontext.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/sigcontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.  This file is part of the GNU C Library.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.  This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -12,7 +12,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGCONTEXT_H
 #define _BITS_SIGCONTEXT_H 1
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/signalfd.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/signalfd.h
index a8f5275551d72d74a85bff0840ffcdcfb8049f1a..8bc180b1b88d078da3a14f5c01e4672b0bb0c2bc 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/signalfd.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/signalfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_SIGNALFD_H
 # error "Never use <bits/signalfd.h> directly; include <sys/signalfd.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/signum.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/signum.h
index e3cd97af8b3d20b86e12ef1fb00450edfadc15c9..e9fa21916bc76fbe24707c37d2f818bd24ff6d62 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/signum.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/signum.h
@@ -1,5 +1,5 @@
 /* Signal number definitions.  Linux/MIPS version.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGNUM_H
 #define _BITS_SIGNUM_H 1
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/socket-constants.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/socket-constants.h
index cfd1839b98efe6dee095434c69a0183802cb243c..6ed2492084fa1149fd8c041393824d044675b1ea 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/socket-constants.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/socket-constants.h
@@ -1,5 +1,5 @@
 /* Socket constants which vary among Linux architectures.  Version for MIPS.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/socket_type.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/socket_type.h
index 4c976f179e4a592682e169ffc92e61db458e5d03..ad858e116abab294081adbe83a0f3e00e9e81d93 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/socket_type.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/socket_type.h
@@ -1,5 +1,5 @@
 /* Define enum __socket_type for Linux/MIPS.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket_type.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/statfs.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/statfs.h
index fd0f68d6d7da148388419e5badcdbf01caaf0eee..fad668a7a3c2838c968ab31c0fd13761507948f7 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/statfs.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/statfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_STATFS_H
 # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/struct_mutex.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/struct_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..025ccddc140683e8019e2b4de0d676e1e036711d
--- /dev/null
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/struct_mutex.h
@@ -0,0 +1,56 @@
+/* MIPS internal mutex struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_MUTEX_INTERNAL_H
+#define _THREAD_MUTEX_INTERNAL_H 1
+
+struct __pthread_mutex_s
+{
+  int __lock;
+  unsigned int __count;
+  int __owner;
+#if _MIPS_SIM == _ABI64
+  unsigned int __nusers;
+#endif
+  /* KIND must stay at this position in the structure to maintain
+     binary compatibility with static initializers.  */
+  int __kind;
+#if _MIPS_SIM == _ABI64
+  int __spins;
+  __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV      1
+#else
+  unsigned int __nusers;
+  __extension__ union
+  {
+    int __spins;
+    __pthread_slist_t __list;
+  };
+# define __PTHREAD_MUTEX_HAVE_PREV      0
+#endif
+};
+
+#if _MIPS_SIM == _ABI64
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, 0, __kind, 0, { 0, 0 }
+#else
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, __kind, 0, { 0 }
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-c_cc.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-c_cc.h
index ed124b8db4df74414fc5cbacf5aede40ba376dfe..5b5850ca57542abb326544681cc5491b39e079ba 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-c_cc.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-c_cc.h
@@ -1,5 +1,5 @@
 /* termios c_cc symbolic constant definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-c_lflag.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-c_lflag.h
index e5a67734766ae01dc4d488d8db7a64b162cb3d4d..cc1f2a0bd55017b5fdda01fcf8a3c80d140a156d 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-c_lflag.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-c_lflag.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_lflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-struct.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-struct.h
index 0442c6f354657898ae4b040c3c00d3fc7ecced64..f046eaaa80e4f3ad0d81102f92c54138cd0dcf34 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-struct.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-struct.h
@@ -1,5 +1,5 @@
 /* struct termios definition.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-struct.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-tcflow.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-tcflow.h
index 2c523c3a2a4d38af3423f6b73ff97465a7cca982..f21c02a38937a32ecb0e3f62f085ffe9044a5eac 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-tcflow.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/termios-tcflow.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-tcflow.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/timerfd.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/timerfd.h
index 005d411617736274e5665d12ff429f3b09167562..79ff9d0cc48fab58de42ef30fd9657de2666c65a 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/timerfd.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/timerfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_TIMERFD_H
 # error "Never use <bits/timerfd.h> directly; include <sys/timerfd.h> instead."
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/bits/types/stack_t.h b/lib/libc/include/mips64el-linux-gnuabin32/bits/types/stack_t.h
index b62c3481401cfa0d96e6ad728da7be43b2e881c4..03e800bd0c938d41f2913ac3ba26a8723010fed0 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/bits/types/stack_t.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/bits/types/stack_t.h
@@ -1,5 +1,5 @@
 /* Define stack_t.  MIPS Linux version.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __stack_t_defined
 #define __stack_t_defined 1
diff --git a/lib/libc/include/mips64el-linux-gnuabin32/ieee754.h b/lib/libc/include/mips64el-linux-gnuabin32/ieee754.h
index 600dbce3d8286cb0f64169ec0601e844387a2cbd..86baeceab6122aba887a69b97876e78376f5c017 100644
--- a/lib/libc/include/mips64el-linux-gnuabin32/ieee754.h
+++ b/lib/libc/include/mips64el-linux-gnuabin32/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,16 +13,19 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
-#include <float.h>
+#ifndef __LDBL_MANT_DIG__
+# include <float.h>
+# define __LDBL_MANT_DIG__ LDBL_MANT_DIG
+#endif
 
 __BEGIN_DECLS
 
@@ -127,7 +130,7 @@ union ieee754_double
 
 #define IEEE754_DOUBLE_BIAS	0x3ff /* Added to exponent.  */
 
-#if LDBL_MANT_DIG == 113
+#if __LDBL_MANT_DIG__ == 113
 
 union ieee854_long_double
   {
@@ -184,7 +187,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS 0x3fff /* Added to exponent.  */
 
-#elif LDBL_MANT_DIG == 64
+#elif __LDBL_MANT_DIG__ == 64
 
 union ieee854_long_double
   {
@@ -253,7 +256,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS 0x3fff
 
-#elif LDBL_MANT_DIG == 53
+#elif __LDBL_MANT_DIG__ == 53
 
 union ieee854_long_double
   {
@@ -316,7 +319,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS	0x3ff /* Added to exponent.  */
 
-#endif /* LDBL_MANT_DIG == 53 */
+#endif /* __LDBL_MANT_DIG__ == 53 */
 
 __END_DECLS
 
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/dlfcn.h b/lib/libc/include/mipsel-linux-gnu/bits/dlfcn.h
index 996be6f45b1d30719fc3aea34e42720148d73616..f0c7dabbcc76c8f2ecdea6b51053437e90fe610c 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/dlfcn.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/dlfcn.h
@@ -1,5 +1,5 @@
 /* System dependent definitions for run-time dynamic loading.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _DLFCN_H
 # error "Never use <bits/dlfcn.h> directly; include <dlfcn.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/errno.h b/lib/libc/include/mipsel-linux-gnu/bits/errno.h
index 2d6069ad8a939c1406695d41f8b68a42cb08fb03..a508c37d1c28296ddcbc918420eea0f10243c929 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/errno.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/errno.h
@@ -1,5 +1,5 @@
 /* Error constants.  MIPS/Linux specific version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_ERRNO_H
 
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/eventfd.h b/lib/libc/include/mipsel-linux-gnu/bits/eventfd.h
index 9ff48c23fb04c07d3b3fc0bb38ebf071bef202a8..f1bea57e1915ba3cf34615fa291d177cfe9e7fff 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/eventfd.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/eventfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EVENTFD_H
 # error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/inotify.h b/lib/libc/include/mipsel-linux-gnu/bits/inotify.h
index d063466c30c723caf2d7006c485548dbe937d215..5025b69e8a856f0b1364486041544c54e8ab5546 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/inotify.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/inotify.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_INOTIFY_H
 # error "Never use <bits/inotify.h> directly; include <sys/inotify.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/ioctl-types.h b/lib/libc/include/mipsel-linux-gnu/bits/ioctl-types.h
index bfbdac6f57497205cbcdc093f8f78aed1b1978ff..064494da7612f5b496eb210de5f1048383cba6de 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/ioctl-types.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/ioctl-types.h
@@ -1,5 +1,5 @@
 /* Structure types for pre-termios terminal ioctls.  Linux/MIPS version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/ipc.h b/lib/libc/include/mipsel-linux-gnu/bits/ipc.h
deleted file mode 100644
index e994ffc9ad4465ec7128ac5c153199605acf2ec1..0000000000000000000000000000000000000000
--- a/lib/libc/include/mipsel-linux-gnu/bits/ipc.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_IPC_H
-# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
-#endif
-
-#include <bits/types.h>
-
-/* Mode bits for `msgget', `semget', and `shmget'.  */
-#define IPC_CREAT	01000		/* Create key if key does not exist. */
-#define IPC_EXCL	02000		/* Fail if key exists.	*/
-#define IPC_NOWAIT	04000		/* Return error on wait.  */
-
-/* Control commands for `msgctl', `semctl', and `shmctl'.  */
-#define IPC_RMID	0		/* Remove identifier.  */
-#define IPC_SET		1		/* Set `ipc_perm' options.  */
-#define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#ifdef __USE_GNU
-# define IPC_INFO	3		/* See ipcs.  */
-#endif
-
-/* Special key values.	*/
-#define IPC_PRIVATE	((__key_t) 0)	/* Private key.	 */
-
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;			/* Key.  */
-    unsigned int uid;			/* Owner's user ID.  */
-    unsigned int gid;			/* Owner's group ID.  */
-    unsigned int cuid;			/* Creator's user ID.  */
-    unsigned int cgid;			/* Creator's group ID.	*/
-    unsigned int mode;			/* Read/write permission.  */
-    unsigned short int __seq;		/* Sequence number.  */
-    unsigned short int __pad1;
-    unsigned long int __glibc_reserved1;
-    unsigned long int __glibc_reserved2;
-};
\ No newline at end of file
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/ipctypes.h b/lib/libc/include/mipsel-linux-gnu/bits/ipctypes.h
index ffea8d325cb01dab03df513b3df4b2f6de471944..a40b72c769b7be81a399ef70a28fa3ce3407476c 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/ipctypes.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/ipctypes.h
@@ -1,5 +1,5 @@
 /* bits/ipctypes.h -- Define some types used by SysV IPC/MSG/SHM.  MIPS version
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  * Never include <bits/ipctypes.h> directly.
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/local_lim.h b/lib/libc/include/mipsel-linux-gnu/bits/local_lim.h
index 96b65eb6869dda0fc414bb4fef06915ced16193c..2f7a63a3dde5268d0ed9ca3e4486ddc252ed6e40 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/local_lim.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  MIPS Linux version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/mman.h b/lib/libc/include/mipsel-linux-gnu/bits/mman.h
index 43c768ab5ec9f63532e13953426ba7b54aab2517..ec9cc654caa7e2ed03278e0fb20dbb4ca8fa6bba 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/mman.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/MIPS version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/msq-pad.h b/lib/libc/include/mipsel-linux-gnu/bits/msq-pad.h
index 2cde6ddf34a4d20f90e3c79bb99753c87207ed5b..132f7815a7c8c20e8d8237efdab7ce4d43b71ca4 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/msq-pad.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/msq-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct msqid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MSG_H
 # error "Never use <bits/msq-pad.h> directly; include <sys/msg.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/poll.h b/lib/libc/include/mipsel-linux-gnu/bits/poll.h
index 77934600076e60a0730e849d7bd4baf80e79a5f3..e1901823cab1500f441182f065c08880af86e712 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/poll.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/poll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_POLL_H
 # error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/pthreadtypes-arch.h b/lib/libc/include/mipsel-linux-gnu/bits/pthreadtypes-arch.h
new file mode 100644
index 0000000000000000000000000000000000000000..6fb6e1c0b0c98ff6f7dbd29305f9e33cfedf9c61
--- /dev/null
+++ b/lib/libc/include/mipsel-linux-gnu/bits/pthreadtypes-arch.h
@@ -0,0 +1,44 @@
+/* Machine-specific pthread type layouts.  MIPS version.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_PTHREADTYPES_ARCH_H
+#define _BITS_PTHREADTYPES_ARCH_H	1
+
+#include <bits/endian.h>
+
+#if _MIPS_SIM == _ABI64
+# define __SIZEOF_PTHREAD_ATTR_T 56
+# define __SIZEOF_PTHREAD_MUTEX_T 40
+# define __SIZEOF_PTHREAD_RWLOCK_T 56
+# define __SIZEOF_PTHREAD_BARRIER_T 32
+#else
+# define __SIZEOF_PTHREAD_ATTR_T 36
+# define __SIZEOF_PTHREAD_MUTEX_T 24
+# define __SIZEOF_PTHREAD_RWLOCK_T 32
+# define __SIZEOF_PTHREAD_BARRIER_T 20
+#endif
+#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
+#define __SIZEOF_PTHREAD_COND_T 48
+#define __SIZEOF_PTHREAD_CONDATTR_T 4
+#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
+#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
+
+#define __LOCK_ALIGNMENT
+#define __ONCE_ALIGNMENT
+
+#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/resource.h b/lib/libc/include/mipsel-linux-gnu/bits/resource.h
index 2f200b10250852a8b5c31fb93c128db105dd9b5b..11fc73b49da518ccd0c634d2306350d0f50d33d2 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/resource.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/resource.h
@@ -1,5 +1,5 @@
 /* Bit values & structures for resource limits.  Linux/MIPS version.
-   Copyright (C) 1994-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_RESOURCE_H
 # error "Never use <bits/resource.h> directly; include <sys/resource.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/sem-pad.h b/lib/libc/include/mipsel-linux-gnu/bits/sem-pad.h
index b1810b2080f11df7dcdf7374e09efeb6fc6ced6a..0638180f089f5957563adf9cfe0ceb39b3d8803b 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/sem-pad.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/shm-pad.h b/lib/libc/include/mipsel-linux-gnu/bits/shm-pad.h
index e672c8c7b042e8825e6489856fcee8a43efbba58..1c596174a8d071fe5b01ec9f329dd0f64866d00b 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/shm-pad.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/shm-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct shmid_ds.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shm-pad.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/shmlba.h b/lib/libc/include/mipsel-linux-gnu/bits/shmlba.h
index 9561decd9a4c8d64e0e66f37dcb1fe6ac095bc65..9f61bc9247c586b2a6c0232bdde5c7bdd1b51079 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/shmlba.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/shmlba.h
@@ -1,5 +1,5 @@
 /* Define SHMLBA.  MIPS version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/sigaction.h b/lib/libc/include/mipsel-linux-gnu/bits/sigaction.h
index bbc6004b5998e0a755e4ebb48f71ae3c61f9e5bb..af27d0c0fc06bf3f5e4c3f3b2b6f0a02a71f80a8 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/sigaction.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/sigaction.h
@@ -1,5 +1,5 @@
 /* The proper definitions for Linux/MIPS's sigaction.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGACTION_H
 #define _BITS_SIGACTION_H 1
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/sigcontext.h b/lib/libc/include/mipsel-linux-gnu/bits/sigcontext.h
index 231695c93f4cbd690088e389898e3b93fa76a3a1..cb51a1980fcd3abd5e9625350584523cffc1ee7e 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/sigcontext.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/sigcontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.  This file is part of the GNU C Library.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.  This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -12,7 +12,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGCONTEXT_H
 #define _BITS_SIGCONTEXT_H 1
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/signalfd.h b/lib/libc/include/mipsel-linux-gnu/bits/signalfd.h
index a8f5275551d72d74a85bff0840ffcdcfb8049f1a..8bc180b1b88d078da3a14f5c01e4672b0bb0c2bc 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/signalfd.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/signalfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_SIGNALFD_H
 # error "Never use <bits/signalfd.h> directly; include <sys/signalfd.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/signum.h b/lib/libc/include/mipsel-linux-gnu/bits/signum.h
index e3cd97af8b3d20b86e12ef1fb00450edfadc15c9..e9fa21916bc76fbe24707c37d2f818bd24ff6d62 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/signum.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/signum.h
@@ -1,5 +1,5 @@
 /* Signal number definitions.  Linux/MIPS version.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGNUM_H
 #define _BITS_SIGNUM_H 1
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/socket-constants.h b/lib/libc/include/mipsel-linux-gnu/bits/socket-constants.h
index cfd1839b98efe6dee095434c69a0183802cb243c..6ed2492084fa1149fd8c041393824d044675b1ea 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/socket-constants.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/socket-constants.h
@@ -1,5 +1,5 @@
 /* Socket constants which vary among Linux architectures.  Version for MIPS.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/socket_type.h b/lib/libc/include/mipsel-linux-gnu/bits/socket_type.h
index 4c976f179e4a592682e169ffc92e61db458e5d03..ad858e116abab294081adbe83a0f3e00e9e81d93 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/socket_type.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/socket_type.h
@@ -1,5 +1,5 @@
 /* Define enum __socket_type for Linux/MIPS.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket_type.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/statfs.h b/lib/libc/include/mipsel-linux-gnu/bits/statfs.h
index fd0f68d6d7da148388419e5badcdbf01caaf0eee..fad668a7a3c2838c968ab31c0fd13761507948f7 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/statfs.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/statfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_STATFS_H
 # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/struct_mutex.h b/lib/libc/include/mipsel-linux-gnu/bits/struct_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..025ccddc140683e8019e2b4de0d676e1e036711d
--- /dev/null
+++ b/lib/libc/include/mipsel-linux-gnu/bits/struct_mutex.h
@@ -0,0 +1,56 @@
+/* MIPS internal mutex struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_MUTEX_INTERNAL_H
+#define _THREAD_MUTEX_INTERNAL_H 1
+
+struct __pthread_mutex_s
+{
+  int __lock;
+  unsigned int __count;
+  int __owner;
+#if _MIPS_SIM == _ABI64
+  unsigned int __nusers;
+#endif
+  /* KIND must stay at this position in the structure to maintain
+     binary compatibility with static initializers.  */
+  int __kind;
+#if _MIPS_SIM == _ABI64
+  int __spins;
+  __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV      1
+#else
+  unsigned int __nusers;
+  __extension__ union
+  {
+    int __spins;
+    __pthread_slist_t __list;
+  };
+# define __PTHREAD_MUTEX_HAVE_PREV      0
+#endif
+};
+
+#if _MIPS_SIM == _ABI64
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, 0, __kind, 0, { 0, 0 }
+#else
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, __kind, 0, { 0 }
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/termios-c_cc.h b/lib/libc/include/mipsel-linux-gnu/bits/termios-c_cc.h
index ed124b8db4df74414fc5cbacf5aede40ba376dfe..5b5850ca57542abb326544681cc5491b39e079ba 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/termios-c_cc.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/termios-c_cc.h
@@ -1,5 +1,5 @@
 /* termios c_cc symbolic constant definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/termios-c_lflag.h b/lib/libc/include/mipsel-linux-gnu/bits/termios-c_lflag.h
index e5a67734766ae01dc4d488d8db7a64b162cb3d4d..cc1f2a0bd55017b5fdda01fcf8a3c80d140a156d 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/termios-c_lflag.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/termios-c_lflag.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_lflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/termios-struct.h b/lib/libc/include/mipsel-linux-gnu/bits/termios-struct.h
index 0442c6f354657898ae4b040c3c00d3fc7ecced64..f046eaaa80e4f3ad0d81102f92c54138cd0dcf34 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/termios-struct.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/termios-struct.h
@@ -1,5 +1,5 @@
 /* struct termios definition.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-struct.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/termios-tcflow.h b/lib/libc/include/mipsel-linux-gnu/bits/termios-tcflow.h
index 2c523c3a2a4d38af3423f6b73ff97465a7cca982..f21c02a38937a32ecb0e3f62f085ffe9044a5eac 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/termios-tcflow.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/termios-tcflow.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/mips version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-tcflow.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/timerfd.h b/lib/libc/include/mipsel-linux-gnu/bits/timerfd.h
index 005d411617736274e5665d12ff429f3b09167562..79ff9d0cc48fab58de42ef30fd9657de2666c65a 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/timerfd.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/timerfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_TIMERFD_H
 # error "Never use <bits/timerfd.h> directly; include <sys/timerfd.h> instead."
diff --git a/lib/libc/include/mipsel-linux-gnu/bits/types/stack_t.h b/lib/libc/include/mipsel-linux-gnu/bits/types/stack_t.h
index b62c3481401cfa0d96e6ad728da7be43b2e881c4..03e800bd0c938d41f2913ac3ba26a8723010fed0 100644
--- a/lib/libc/include/mipsel-linux-gnu/bits/types/stack_t.h
+++ b/lib/libc/include/mipsel-linux-gnu/bits/types/stack_t.h
@@ -1,5 +1,5 @@
 /* Define stack_t.  MIPS Linux version.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __stack_t_defined
 #define __stack_t_defined 1
diff --git a/lib/libc/include/mipsel-linux-gnu/ieee754.h b/lib/libc/include/mipsel-linux-gnu/ieee754.h
index 600dbce3d8286cb0f64169ec0601e844387a2cbd..86baeceab6122aba887a69b97876e78376f5c017 100644
--- a/lib/libc/include/mipsel-linux-gnu/ieee754.h
+++ b/lib/libc/include/mipsel-linux-gnu/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,16 +13,19 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
-#include <float.h>
+#ifndef __LDBL_MANT_DIG__
+# include <float.h>
+# define __LDBL_MANT_DIG__ LDBL_MANT_DIG
+#endif
 
 __BEGIN_DECLS
 
@@ -127,7 +130,7 @@ union ieee754_double
 
 #define IEEE754_DOUBLE_BIAS	0x3ff /* Added to exponent.  */
 
-#if LDBL_MANT_DIG == 113
+#if __LDBL_MANT_DIG__ == 113
 
 union ieee854_long_double
   {
@@ -184,7 +187,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS 0x3fff /* Added to exponent.  */
 
-#elif LDBL_MANT_DIG == 64
+#elif __LDBL_MANT_DIG__ == 64
 
 union ieee854_long_double
   {
@@ -253,7 +256,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS 0x3fff
 
-#elif LDBL_MANT_DIG == 53
+#elif __LDBL_MANT_DIG__ == 53
 
 union ieee854_long_double
   {
@@ -316,7 +319,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS	0x3ff /* Added to exponent.  */
 
-#endif /* LDBL_MANT_DIG == 53 */
+#endif /* __LDBL_MANT_DIG__ == 53 */
 
 __END_DECLS
 
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/endian.h b/lib/libc/include/powerpc-linux-gnu/bits/endian.h
deleted file mode 100644
index f643beb3b5b0b795cf9922427bf399f48905afef..0000000000000000000000000000000000000000
--- a/lib/libc/include/powerpc-linux-gnu/bits/endian.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-/* PowerPC can be little or big endian.  Hopefully gcc will know...  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
-# if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
-#  error Both BIG_ENDIAN and LITTLE_ENDIAN defined!
-# endif
-# define __BYTE_ORDER __BIG_ENDIAN
-#else
-# if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
-#  define __BYTE_ORDER __LITTLE_ENDIAN
-# else
-#  warning Cannot determine current byte order, assuming big-endian.
-#  define __BYTE_ORDER __BIG_ENDIAN
-# endif
-#endif
\ No newline at end of file
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/endianness.h b/lib/libc/include/powerpc-linux-gnu/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..91892fa161c23d596f9df969d929e5dda7a6ecd9
--- /dev/null
+++ b/lib/libc/include/powerpc-linux-gnu/bits/endianness.h
@@ -0,0 +1,16 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* PowerPC has selectable endianness.  */
+#if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
+# define __BYTE_ORDER __BIG_ENDIAN
+#endif
+#if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/environments.h b/lib/libc/include/powerpc-linux-gnu/bits/environments.h
index 2e1c0bc1de9e97d604bf63f82a36b8d87a909dc9..9134837e15368b2d5ec7585bd58c9e648e3148ed 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/environments.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UNISTD_H
 # error "Never include this file directly.  Use <unistd.h> instead"
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/fcntl.h b/lib/libc/include/powerpc-linux-gnu/bits/fcntl.h
index e344ed65a407e4be013132c18c90a70259267239..e67c6530dd4b455d81e4cae0670a8d9ad6614e53 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/fcntl.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/PowerPC.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/fenv.h b/lib/libc/include/powerpc-linux-gnu/bits/fenv.h
index f59c2a58096770b3e718badcefed12d1c44ff4af..65ef2f98a093376e02c8bcbb8ddf195de21fb675 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/fenv.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -170,7 +170,7 @@ extern const fenv_t __fe_nonieee_env;
 
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef double femode_t;
 
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/fenvinline.h b/lib/libc/include/powerpc-linux-gnu/bits/fenvinline.h
index efb8a356e21568176f88b8e80dda9591056f8f3c..695d3a395d2f4e9ed9c35ce39726147e48601806 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/fenvinline.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/fenvinline.h
@@ -1,5 +1,5 @@
 /* Inline floating-point environment handling functions for powerpc.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if defined __GNUC__ && !defined _SOFT_FLOAT && !defined __NO_FPRS__
 
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/floatn.h b/lib/libc/include/powerpc-linux-gnu/bits/floatn.h
index 2514b6300ecb24465964c0c26373ee37f8bed40c..bec17f1a7c281928afd0a7d68cd6571f9823b7c9 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/floatn.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features on powerpc.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_H
 #define _BITS_FLOATN_H
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/fp-fast.h b/lib/libc/include/powerpc-linux-gnu/bits/fp-fast.h
index 09e055f11e3e38cb2bc2cc0322f0636b9ae948a9..d8f3a7d003529a510a1d0d1b36b846660302ca24 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/fp-fast.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/fp-fast.h
@@ -1,5 +1,5 @@
 /* Define FP_FAST_* macros.  PowerPC version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/fp-fast.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/hwcap.h b/lib/libc/include/powerpc-linux-gnu/bits/hwcap.h
index 0d72f344185f9fe8e049742745f28a9ff63916ed..335efbd0aae91cc9cb8e40d9827282ed98340642 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/hwcap.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/hwcap.h
@@ -1,5 +1,5 @@
 /* Defines for bits in AT_HWCAP and AT_HWCAP2.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined(_SYS_AUXV_H) && !defined(_SYSDEPS_SYSDEP_H)
 # error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/ioctl-types.h b/lib/libc/include/powerpc-linux-gnu/bits/ioctl-types.h
index f2b9931899f0d8a072872521b439d460dd19a4e1..353daa482eeab20667561e01febcdb823aec3e06 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/ioctl-types.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/ioctl-types.h
@@ -1,5 +1,5 @@
 /* Structure types for pre-termios terminal ioctls.  Linux/powerpc version.
-   Copyright (C) 2014-2019 Free Software Foundation, Inc.
+   Copyright (C) 2014-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/ipc-perm.h b/lib/libc/include/powerpc-linux-gnu/bits/ipc-perm.h
new file mode 100644
index 0000000000000000000000000000000000000000..73e3a67f70389ddc6d49bd5d155b98989fa3564a
--- /dev/null
+++ b/lib/libc/include/powerpc-linux-gnu/bits/ipc-perm.h
@@ -0,0 +1,36 @@
+/* struct ipc_perm definition.  Linux/powerpc version.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_IPC_H
+# error "Never use <bits/ipc-perm.h> directly; include <sys/ipc.h> instead."
+#endif
+
+/* Data structure used to pass permission information to IPC operations.  */
+struct ipc_perm
+  {
+    __key_t __key;		/* Key.  */
+    __uid_t uid;		/* Owner's user ID.  */
+    __gid_t gid;		/* Owner's group ID.  */
+    __uid_t cuid;		/* Creator's user ID.  */
+    __gid_t cgid;		/* Creator's group ID.  */
+    __mode_t mode;		/* Read/write permission.  */
+    __uint32_t __seq;		/* Sequence number.  */
+    __uint32_t __pad1;
+    __uint64_t __glibc_reserved1;
+    __uint64_t __glibc_reserved2;
+  };
\ No newline at end of file
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/ipc.h b/lib/libc/include/powerpc-linux-gnu/bits/ipc.h
deleted file mode 100644
index 7b0f55f7abedd54cd18354ed37a86511d946fe18..0000000000000000000000000000000000000000
--- a/lib/libc/include/powerpc-linux-gnu/bits/ipc.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_IPC_H
-# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
-#endif
-
-#include <bits/types.h>
-
-/* Mode bits for `msgget', `semget', and `shmget'.  */
-#define IPC_CREAT	01000		/* Create key if key does not exist. */
-#define IPC_EXCL	02000		/* Fail if key exists.  */
-#define IPC_NOWAIT	04000		/* Return error on wait.  */
-
-/* Control commands for `msgctl', `semctl', and `shmctl'.  */
-#define IPC_RMID	0		/* Remove identifier.  */
-#define IPC_SET		1		/* Set `ipc_perm' options.  */
-#define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#ifdef __USE_GNU
-# define IPC_INFO	3		/* See ipcs.  */
-#endif
-
-/* Special key values.  */
-#define IPC_PRIVATE	((__key_t) 0)	/* Private key.  */
-
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;		/* Key.  */
-    __uid_t uid;		/* Owner's user ID.  */
-    __gid_t gid;		/* Owner's group ID.  */
-    __uid_t cuid;		/* Creator's user ID.  */
-    __gid_t cgid;		/* Creator's group ID.  */
-    __mode_t mode;		/* Read/write permission.  */
-    __uint32_t __seq;		/* Sequence number.  */
-    __uint32_t __pad1;
-    __uint64_t __glibc_reserved1;
-    __uint64_t __glibc_reserved2;
-  };
\ No newline at end of file
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/iscanonical.h b/lib/libc/include/powerpc-linux-gnu/bits/iscanonical.h
index 108d77b41121b6b18e087e0deb8097eaadd29017..8818d6fa08f49010c19830a0e0ff2b6de8aab6db 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/iscanonical.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/iscanonical.h
@@ -1,5 +1,5 @@
 /* Define iscanonical macro.  ldbl-128ibm version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/iscanonical.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/link.h b/lib/libc/include/powerpc-linux-gnu/bits/link.h
index ca46d5a01bac6ed9ff635eb2f93c0ef873b57ef0..2bc935020183c643eda99ce0125a7c00242cd784 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/link.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/link.h
@@ -1,5 +1,5 @@
 /* Machine-specific declarations for dynamic linker interface.  PowerPC version
-   Copyright (C) 2004-2019 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/local_lim.h b/lib/libc/include/powerpc-linux-gnu/bits/local_lim.h
index 65261d42b3fe0ec04a785da2a799bcdeccc8f3b4..2178c8890c99b23cd0d82cb08378b8b3ad869764 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/local_lim.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  Linux/PPC version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
+   not, see <https://www.gnu.org/licenses/>.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/long-double.h b/lib/libc/include/powerpc-linux-gnu/bits/long-double.h
index 9fe5a6c570b218f0c0ddb8927e0c7cd32adad382..391f7d62fe1bf0a22105ce939d3f508084122126 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/long-double.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.  ldbl-opt version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,11 +14,12 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __NO_LONG_DOUBLE_MATH
 # define __LONG_DOUBLE_MATH_OPTIONAL	1
 # ifndef __LONG_DOUBLE_128__
 #  define __NO_LONG_DOUBLE_MATH		1
 # endif
-#endif
\ No newline at end of file
+#endif
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/mman.h b/lib/libc/include/powerpc-linux-gnu/bits/mman.h
index 9e80948561a9fc6b9bd8dd5f1189a199c7a0892d..40e853fef3d8b678bcbecd1b4d0c7b041159dba0 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/mman.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/PowerPC version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
@@ -36,6 +36,8 @@
 # define MAP_NONBLOCK	0x10000		/* Do not block on IO.  */
 # define MAP_STACK	0x20000		/* Allocation is for a stack.  */
 # define MAP_HUGETLB	0x40000		/* Create huge page mapping.  */
+# define MAP_SYNC	0x80000		/* Perform synchronous page
+					   faults for the mapping.  */
 # define MAP_FIXED_NOREPLACE 0x100000	/* MAP_FIXED but do not unmap
 					   underlying mapping.  */
 #endif
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/msq-pad.h b/lib/libc/include/powerpc-linux-gnu/bits/msq-pad.h
index d697bc4d06cc3e06521ac99bcf81317e6d52ea23..c72a8507da81b2483d10665ff731ec9470af6a83 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/msq-pad.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/msq-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct msqid_ds.  PowerPC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MSG_H
 # error "Never use <bits/msq-pad.h> directly; include <sys/msg.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/procfs.h b/lib/libc/include/powerpc-linux-gnu/bits/procfs.h
index 793fa8944a8d915183b7cb12a4e3d2da967e14d3..4afb90d85af0c433f03ddc564ac5c15aca8eebbf 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/procfs.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  PowerPC version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/pthreadtypes-arch.h b/lib/libc/include/powerpc-linux-gnu/bits/pthreadtypes-arch.h
deleted file mode 100644
index 883306d2e817b88005264d699401521eba5734cc..0000000000000000000000000000000000000000
--- a/lib/libc/include/powerpc-linux-gnu/bits/pthreadtypes-arch.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/* Machine-specific pthread type layouts.  PowerPC version.
-   Copyright (C) 2003-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _BITS_PTHREADTYPES_ARCH_H
-#define _BITS_PTHREADTYPES_ARCH_H	1
-
-#include <bits/wordsize.h>
-
-#if __WORDSIZE == 64
-# define __SIZEOF_PTHREAD_MUTEX_T 40
-# define __SIZEOF_PTHREAD_ATTR_T 56
-# define __SIZEOF_PTHREAD_RWLOCK_T 56
-# define __SIZEOF_PTHREAD_BARRIER_T 32
-#else
-# define __SIZEOF_PTHREAD_MUTEX_T 24
-# define __SIZEOF_PTHREAD_ATTR_T 36
-# define __SIZEOF_PTHREAD_RWLOCK_T 32
-# define __SIZEOF_PTHREAD_BARRIER_T 20
-#endif
-#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
-#define __SIZEOF_PTHREAD_COND_T 48
-#define __SIZEOF_PTHREAD_CONDATTR_T 4
-#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
-#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
-
-/* Definitions for internal mutex struct.  */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    1
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  (__WORDSIZE != 64)
-#define __PTHREAD_MUTEX_USE_UNION          (__WORDSIZE != 64)
-
-#define __LOCK_ALIGNMENT
-#define __ONCE_ALIGNMENT
-
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#if __WORDSIZE == 64
-  int __cur_writer;
-  int __shared;
-  unsigned char __rwelision;
-  unsigned char __pad1[7];
-  unsigned long int __pad2;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned int __flags;
-# define __PTHREAD_RWLOCK_ELISION_EXTRA 0, {0, 0, 0, 0, 0, 0, 0 }
-#else
-  unsigned char __rwelision;
-  unsigned char __pad2;
-  unsigned char __shared;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  int __cur_writer;
-# define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-#endif
-};
-
-#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/sem-pad.h b/lib/libc/include/powerpc-linux-gnu/bits/sem-pad.h
index 73f7ada00cb7ca1a8f36bd806bead424f1afe9c3..e6aca7827992bb4b1046a9de52b687d13db6372f 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/sem-pad.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  PowerPC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/semaphore.h b/lib/libc/include/powerpc-linux-gnu/bits/semaphore.h
index a8631d1aa30f0cf2b3560884d67108df405b4252..d8dd45053b963715d8531a7c54403e515166b096 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/semaphore.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/semaphore.h
@@ -1,5 +1,5 @@
 /* Machine-specific POSIX semaphore type layouts.  PowerPC version.
-   Copyright (C) 2003-2019 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/setjmp.h b/lib/libc/include/powerpc-linux-gnu/bits/setjmp.h
index 1705da061cca8389844fc3787eb82e1a9cca6162..b0d5e53478e73eceb948d3ab44d9c7da778782a3 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/setjmp.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Define the machine-dependent type `jmp_buf'.  PowerPC version.  */
 #ifndef _BITS_SETJMP_H
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/shm-pad.h b/lib/libc/include/powerpc-linux-gnu/bits/shm-pad.h
index 7cf2c0d72def42c207c5f5311c7a04f2fe013cff..950fc7d5b5d73204b8cc44bb2e619c8608a152ee 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/shm-pad.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/shm-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct shmid_ds.  PowerPC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shm-pad.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/sigstack.h b/lib/libc/include/powerpc-linux-gnu/bits/sigstack.h
index f3029e811af4f17fd44bb52f696dfefcc28c9b6a..7d28d616922ad5dcf502553aae96ff0f5306959b 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/sigstack.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/sigstack.h
@@ -1,5 +1,5 @@
 /* sigstack, sigaltstack definitions.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGSTACK_H
 #define _BITS_SIGSTACK_H 1
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/socket-constants.h b/lib/libc/include/powerpc-linux-gnu/bits/socket-constants.h
index 705f575fe09b97742a7c74d11ae0b378bf3fa4fc..ad54f32304c5832d63343229459a8d1d6fc6fc92 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/socket-constants.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/socket-constants.h
@@ -1,5 +1,5 @@
 /* Socket constants which vary among Linux architectures.  Version for POWER.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/stat.h b/lib/libc/include/powerpc-linux-gnu/bits/stat.h
index 38c4d2425c088d74008ffbe372414a56ae66ae2c..9daf5a5c56e2a4078d5db9397436d1bcf2bee08a 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/stat.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/struct_mutex.h b/lib/libc/include/powerpc-linux-gnu/bits/struct_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..40b5c891ec235b9e674932c346e861bd2bd94126
--- /dev/null
+++ b/lib/libc/include/powerpc-linux-gnu/bits/struct_mutex.h
@@ -0,0 +1,63 @@
+/* PowerPC internal mutex struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_MUTEX_INTERNAL_H
+#define _THREAD_MUTEX_INTERNAL_H 1
+
+struct __pthread_mutex_s
+{
+  int __lock;
+  unsigned int __count;
+  int __owner;
+#if __WORDSIZE == 64
+  unsigned int __nusers;
+#endif
+  /* KIND must stay at this position in the structure to maintain
+     binary compatibility with static initializers.  */
+  int __kind;
+#if __WORDSIZE == 64
+  short __spins;
+  short __elision;
+  __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV      1
+#else
+  unsigned int __nusers;
+  __extension__ union
+  {
+    struct
+    {
+      short __espins;
+      short __elision;
+# define __spins __elision_data.__espins
+# define __elision __elision_data.__elision
+    } __elision_data;
+    __pthread_slist_t __list;
+  };
+# define __PTHREAD_MUTEX_HAVE_PREV      0
+#endif
+};
+
+#if __WORDSIZE == 64
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, 0, __kind, 0, 0, { 0, 0 }
+#else
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, __kind, 0, { { 0, 0 } }
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/struct_rwlock.h b/lib/libc/include/powerpc-linux-gnu/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..7ab9afe0eed8671a53635905506d6e0f38a2b3f2
--- /dev/null
+++ b/lib/libc/include/powerpc-linux-gnu/bits/struct_rwlock.h
@@ -0,0 +1,61 @@
+/* PowerPC internal rwlock struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _RWLOCK_INTERNAL_H
+#define _RWLOCK_INTERNAL_H
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+#if __WORDSIZE == 64
+  int __cur_writer;
+  int __shared;
+  unsigned char __rwelision;
+  unsigned char __pad1[7];
+  unsigned long int __pad2;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned int __flags;
+# define __PTHREAD_RWLOCK_ELISION_EXTRA 0, {0, 0, 0, 0, 0, 0, 0 }
+#else
+  unsigned char __rwelision;
+  unsigned char __pad2;
+  unsigned char __shared;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned char __flags;
+  int __cur_writer;
+# define __PTHREAD_RWLOCK_ELISION_EXTRA 0
+#endif
+};
+
+#if __WORDSIZE == 64
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, __flags
+#else
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, 0, __flags, 0
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/termios-baud.h b/lib/libc/include/powerpc-linux-gnu/bits/termios-baud.h
index 98c3cab88c2b351a6237f6cadc3240dede274a97..45a0dd450d2314748121390699a3f9e3adc95a80 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/termios-baud.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/termios-baud.h
@@ -1,5 +1,5 @@
 /* termios baud rate selection definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-baud.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/termios-c_cc.h b/lib/libc/include/powerpc-linux-gnu/bits/termios-c_cc.h
index 3b9f24025871183f24efd8151882073c9359a6ec..f4c30c87d28c782a7e7366c5bee03812072a1d1f 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/termios-c_cc.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/termios-c_cc.h
@@ -1,5 +1,5 @@
 /* termios c_cc symbolic constant definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/termios-c_cflag.h b/lib/libc/include/powerpc-linux-gnu/bits/termios-c_cflag.h
index 16869a7138f769dc100fe75c23ce1ee445cb1904..d63f19296f4c89c52ff443815e183f53a80ae81f 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/termios-c_cflag.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/termios-c_cflag.h
@@ -1,5 +1,5 @@
 /* termios control mode definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/termios-c_iflag.h b/lib/libc/include/powerpc-linux-gnu/bits/termios-c_iflag.h
index b61f9af03056120b54266871b00fcd928e884f42..846bd192c47b012f59869ee001a28e9c917f22d2 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/termios-c_iflag.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/termios-c_iflag.h
@@ -1,5 +1,5 @@
 /* termios input mode definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_iflags.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/termios-c_lflag.h b/lib/libc/include/powerpc-linux-gnu/bits/termios-c_lflag.h
index 2abcbafdf581d6ba7d647880c543c4ade46eca1f..aa3d3fe584830b12fca949c738b03ee74fa55251 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/termios-c_lflag.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/termios-c_lflag.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/powerpc version.
-   Copyright (C) 2019i Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_lflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/termios-c_oflag.h b/lib/libc/include/powerpc-linux-gnu/bits/termios-c_oflag.h
index ca06aad4f7046bf434fc7044cc2a6d938d8b0b72..bdac69b5ad9175c3d35383ae281a2b1f9da0fe70 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/termios-c_oflag.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/termios-c_oflag.h
@@ -1,5 +1,5 @@
 /* termios output mode definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_oflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/bits/termios-misc.h b/lib/libc/include/powerpc-linux-gnu/bits/termios-misc.h
index 369feac2d0abaccb0a2572ce7580fb8633f7f1e8..1053139360294368e3e9865002eb07de066082cc 100644
--- a/lib/libc/include/powerpc-linux-gnu/bits/termios-misc.h
+++ b/lib/libc/include/powerpc-linux-gnu/bits/termios-misc.h
@@ -1,5 +1,5 @@
 /* termios baud platform specific definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-misc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc-linux-gnu/fpu_control.h b/lib/libc/include/powerpc-linux-gnu/fpu_control.h
index db5055a812e59a01925a62a031b0d01e58b6953e..06ef01bde10ea3fe39490f0dbf57fa23c2e58e36 100644
--- a/lib/libc/include/powerpc-linux-gnu/fpu_control.h
+++ b/lib/libc/include/powerpc-linux-gnu/fpu_control.h
@@ -1,5 +1,5 @@
 /* FPU control word definitions.  PowerPC version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H
diff --git a/lib/libc/include/powerpc-linux-gnu/ieee754.h b/lib/libc/include/powerpc-linux-gnu/ieee754.h
index 918506bc96974846f388ec2567cb8c57e9197515..dcdca2eb78937790a757d932928d5793d4697a77 100644
--- a/lib/libc/include/powerpc-linux-gnu/ieee754.h
+++ b/lib/libc/include/powerpc-linux-gnu/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,14 +13,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
diff --git a/lib/libc/include/powerpc-linux-gnu/sys/ptrace.h b/lib/libc/include/powerpc-linux-gnu/sys/ptrace.h
index cf05edb11dce5dc5854ff4bf3bab6a0ea23d9bbf..d88fdeb5f42a707382e82dcee619a6de92d89b78 100644
--- a/lib/libc/include/powerpc-linux-gnu/sys/ptrace.h
+++ b/lib/libc/include/powerpc-linux-gnu/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/PowerPC version.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PTRACE_H
 #define _SYS_PTRACE_H	1
@@ -38,6 +38,7 @@ __BEGIN_DECLS
 # undef PTRACE_GETREGSET
 # undef PTRACE_GETSIGINFO
 # undef PTRACE_GETSIGMASK
+# undef PTRACE_GET_SYSCALL_INFO
 # undef PTRACE_GETVRREGS
 # undef PTRACE_GETVSRREGS
 # undef PTRACE_INTERRUPT
@@ -65,6 +66,10 @@ __BEGIN_DECLS
 # undef PTRACE_SINGLEBLOCK
 # undef PTRACE_SINGLESTEP
 # undef PTRACE_SYSCALL
+# undef PTRACE_SYSCALL_INFO_NONE
+# undef PTRACE_SYSCALL_INFO_ENTRY
+# undef PTRACE_SYSCALL_INFO_EXIT
+# undef PTRACE_SYSCALL_INFO_SECCOMP
 # undef PTRACE_TRACEME
 #endif
 
@@ -241,8 +246,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/powerpc-linux-gnu/sys/ucontext.h b/lib/libc/include/powerpc-linux-gnu/sys/ucontext.h
index 6655e1250984f9e81862cde9053be62c42b7a4f3..4be8bb53854aad88fd7d8ba36ce18ab0b1480a4e 100644
--- a/lib/libc/include/powerpc-linux-gnu/sys/ucontext.h
+++ b/lib/libc/include/powerpc-linux-gnu/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_UCONTEXT_H
 #define _SYS_UCONTEXT_H	1
@@ -75,12 +75,12 @@ typedef struct
  * a sigcontext.  For older kernel (without Altivec) the sigcontext matches
  * the mcontext upto but not including the v_regs field.  For kernels that
  * don't set AT_HWCAP or return AT_HWCAP without PPC_FEATURE_HAS_ALTIVEC the
- * v_regs field may not exist and should not be referenced.  The v_regd field
- * can be refernced safely only after verifying that PPC_FEATURE_HAS_ALTIVEC
+ * v_regs field may not exist and should not be referenced.  The v_regs field
+ * can be referenced safely only after verifying that PPC_FEATURE_HAS_ALTIVEC
  * is set in AT_HWCAP.  */
 
 /* Number of general registers.  */
-# define __NGREG	48	/* includes r0-r31, nip, msr, lr, etc.   */
+# define __NGREG	48	/* includes r0-r31, nip, msr, lr, etc.  */
 # define __NFPREG	33	/* includes fp0-fp31 &fpscr.  */
 # define __NVRREG	34	/* includes v0-v31, vscr, & vrsave in
 				   split vectors */
@@ -136,7 +136,7 @@ typedef struct {
  * either NULL (if this processor does not support the VMX feature) or the
  * address of the first quadword within the allocated (vmx_reserve) area.
  *
- * The pointer (v_regs) of vector type (elf_vrreg_t) is essentually
+ * The pointer (v_regs) of vector type (elf_vrreg_t) is essentially
  * an array of 34 quadword entries.  The entries with
  * indexes 0-31 contain the corresponding vector registers.  The entry with
  * index 32 contains the vscr as the last word (offset 12) within the
diff --git a/lib/libc/include/powerpc-linux-gnu/sys/user.h b/lib/libc/include/powerpc-linux-gnu/sys/user.h
index 151aa48f53bcb68571822051cc966c73020841de..0003f18811b6189c46687bbf2d2b1511cb69e68b 100644
--- a/lib/libc/include/powerpc-linux-gnu/sys/user.h
+++ b/lib/libc/include/powerpc-linux-gnu/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/endian.h b/lib/libc/include/powerpc64-linux-gnu/bits/endian.h
deleted file mode 100644
index f643beb3b5b0b795cf9922427bf399f48905afef..0000000000000000000000000000000000000000
--- a/lib/libc/include/powerpc64-linux-gnu/bits/endian.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-/* PowerPC can be little or big endian.  Hopefully gcc will know...  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
-# if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
-#  error Both BIG_ENDIAN and LITTLE_ENDIAN defined!
-# endif
-# define __BYTE_ORDER __BIG_ENDIAN
-#else
-# if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
-#  define __BYTE_ORDER __LITTLE_ENDIAN
-# else
-#  warning Cannot determine current byte order, assuming big-endian.
-#  define __BYTE_ORDER __BIG_ENDIAN
-# endif
-#endif
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/endianness.h b/lib/libc/include/powerpc64-linux-gnu/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..91892fa161c23d596f9df969d929e5dda7a6ecd9
--- /dev/null
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/endianness.h
@@ -0,0 +1,16 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* PowerPC has selectable endianness.  */
+#if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
+# define __BYTE_ORDER __BIG_ENDIAN
+#endif
+#if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/environments.h b/lib/libc/include/powerpc64-linux-gnu/bits/environments.h
index 2e1c0bc1de9e97d604bf63f82a36b8d87a909dc9..9134837e15368b2d5ec7585bd58c9e648e3148ed 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/environments.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UNISTD_H
 # error "Never include this file directly.  Use <unistd.h> instead"
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/fcntl.h b/lib/libc/include/powerpc64-linux-gnu/bits/fcntl.h
index e344ed65a407e4be013132c18c90a70259267239..e67c6530dd4b455d81e4cae0670a8d9ad6614e53 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/fcntl.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/PowerPC.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/fenv.h b/lib/libc/include/powerpc64-linux-gnu/bits/fenv.h
index f59c2a58096770b3e718badcefed12d1c44ff4af..65ef2f98a093376e02c8bcbb8ddf195de21fb675 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/fenv.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -170,7 +170,7 @@ extern const fenv_t __fe_nonieee_env;
 
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef double femode_t;
 
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/fenvinline.h b/lib/libc/include/powerpc64-linux-gnu/bits/fenvinline.h
index efb8a356e21568176f88b8e80dda9591056f8f3c..695d3a395d2f4e9ed9c35ce39726147e48601806 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/fenvinline.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/fenvinline.h
@@ -1,5 +1,5 @@
 /* Inline floating-point environment handling functions for powerpc.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if defined __GNUC__ && !defined _SOFT_FLOAT && !defined __NO_FPRS__
 
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/floatn.h b/lib/libc/include/powerpc64-linux-gnu/bits/floatn.h
index 2514b6300ecb24465964c0c26373ee37f8bed40c..bec17f1a7c281928afd0a7d68cd6571f9823b7c9 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/floatn.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features on powerpc.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_H
 #define _BITS_FLOATN_H
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/fp-fast.h b/lib/libc/include/powerpc64-linux-gnu/bits/fp-fast.h
index 09e055f11e3e38cb2bc2cc0322f0636b9ae948a9..d8f3a7d003529a510a1d0d1b36b846660302ca24 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/fp-fast.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/fp-fast.h
@@ -1,5 +1,5 @@
 /* Define FP_FAST_* macros.  PowerPC version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/fp-fast.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/hwcap.h b/lib/libc/include/powerpc64-linux-gnu/bits/hwcap.h
index 0d72f344185f9fe8e049742745f28a9ff63916ed..335efbd0aae91cc9cb8e40d9827282ed98340642 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/hwcap.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/hwcap.h
@@ -1,5 +1,5 @@
 /* Defines for bits in AT_HWCAP and AT_HWCAP2.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined(_SYS_AUXV_H) && !defined(_SYSDEPS_SYSDEP_H)
 # error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/ioctl-types.h b/lib/libc/include/powerpc64-linux-gnu/bits/ioctl-types.h
index f2b9931899f0d8a072872521b439d460dd19a4e1..353daa482eeab20667561e01febcdb823aec3e06 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/ioctl-types.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/ioctl-types.h
@@ -1,5 +1,5 @@
 /* Structure types for pre-termios terminal ioctls.  Linux/powerpc version.
-   Copyright (C) 2014-2019 Free Software Foundation, Inc.
+   Copyright (C) 2014-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/ipc-perm.h b/lib/libc/include/powerpc64-linux-gnu/bits/ipc-perm.h
new file mode 100644
index 0000000000000000000000000000000000000000..73e3a67f70389ddc6d49bd5d155b98989fa3564a
--- /dev/null
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/ipc-perm.h
@@ -0,0 +1,36 @@
+/* struct ipc_perm definition.  Linux/powerpc version.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_IPC_H
+# error "Never use <bits/ipc-perm.h> directly; include <sys/ipc.h> instead."
+#endif
+
+/* Data structure used to pass permission information to IPC operations.  */
+struct ipc_perm
+  {
+    __key_t __key;		/* Key.  */
+    __uid_t uid;		/* Owner's user ID.  */
+    __gid_t gid;		/* Owner's group ID.  */
+    __uid_t cuid;		/* Creator's user ID.  */
+    __gid_t cgid;		/* Creator's group ID.  */
+    __mode_t mode;		/* Read/write permission.  */
+    __uint32_t __seq;		/* Sequence number.  */
+    __uint32_t __pad1;
+    __uint64_t __glibc_reserved1;
+    __uint64_t __glibc_reserved2;
+  };
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/ipc.h b/lib/libc/include/powerpc64-linux-gnu/bits/ipc.h
deleted file mode 100644
index 7b0f55f7abedd54cd18354ed37a86511d946fe18..0000000000000000000000000000000000000000
--- a/lib/libc/include/powerpc64-linux-gnu/bits/ipc.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_IPC_H
-# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
-#endif
-
-#include <bits/types.h>
-
-/* Mode bits for `msgget', `semget', and `shmget'.  */
-#define IPC_CREAT	01000		/* Create key if key does not exist. */
-#define IPC_EXCL	02000		/* Fail if key exists.  */
-#define IPC_NOWAIT	04000		/* Return error on wait.  */
-
-/* Control commands for `msgctl', `semctl', and `shmctl'.  */
-#define IPC_RMID	0		/* Remove identifier.  */
-#define IPC_SET		1		/* Set `ipc_perm' options.  */
-#define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#ifdef __USE_GNU
-# define IPC_INFO	3		/* See ipcs.  */
-#endif
-
-/* Special key values.  */
-#define IPC_PRIVATE	((__key_t) 0)	/* Private key.  */
-
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;		/* Key.  */
-    __uid_t uid;		/* Owner's user ID.  */
-    __gid_t gid;		/* Owner's group ID.  */
-    __uid_t cuid;		/* Creator's user ID.  */
-    __gid_t cgid;		/* Creator's group ID.  */
-    __mode_t mode;		/* Read/write permission.  */
-    __uint32_t __seq;		/* Sequence number.  */
-    __uint32_t __pad1;
-    __uint64_t __glibc_reserved1;
-    __uint64_t __glibc_reserved2;
-  };
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/iscanonical.h b/lib/libc/include/powerpc64-linux-gnu/bits/iscanonical.h
index 108d77b41121b6b18e087e0deb8097eaadd29017..8818d6fa08f49010c19830a0e0ff2b6de8aab6db 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/iscanonical.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/iscanonical.h
@@ -1,5 +1,5 @@
 /* Define iscanonical macro.  ldbl-128ibm version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/iscanonical.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/link.h b/lib/libc/include/powerpc64-linux-gnu/bits/link.h
index ca46d5a01bac6ed9ff635eb2f93c0ef873b57ef0..2bc935020183c643eda99ce0125a7c00242cd784 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/link.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/link.h
@@ -1,5 +1,5 @@
 /* Machine-specific declarations for dynamic linker interface.  PowerPC version
-   Copyright (C) 2004-2019 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/local_lim.h b/lib/libc/include/powerpc64-linux-gnu/bits/local_lim.h
index 65261d42b3fe0ec04a785da2a799bcdeccc8f3b4..2178c8890c99b23cd0d82cb08378b8b3ad869764 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/local_lim.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  Linux/PPC version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
+   not, see <https://www.gnu.org/licenses/>.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/long-double.h b/lib/libc/include/powerpc64-linux-gnu/bits/long-double.h
index 9fe5a6c570b218f0c0ddb8927e0c7cd32adad382..391f7d62fe1bf0a22105ce939d3f508084122126 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/long-double.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.  ldbl-opt version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,11 +14,12 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __NO_LONG_DOUBLE_MATH
 # define __LONG_DOUBLE_MATH_OPTIONAL	1
 # ifndef __LONG_DOUBLE_128__
 #  define __NO_LONG_DOUBLE_MATH		1
 # endif
-#endif
\ No newline at end of file
+#endif
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/mman.h b/lib/libc/include/powerpc64-linux-gnu/bits/mman.h
index 9e80948561a9fc6b9bd8dd5f1189a199c7a0892d..40e853fef3d8b678bcbecd1b4d0c7b041159dba0 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/mman.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/PowerPC version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
@@ -36,6 +36,8 @@
 # define MAP_NONBLOCK	0x10000		/* Do not block on IO.  */
 # define MAP_STACK	0x20000		/* Allocation is for a stack.  */
 # define MAP_HUGETLB	0x40000		/* Create huge page mapping.  */
+# define MAP_SYNC	0x80000		/* Perform synchronous page
+					   faults for the mapping.  */
 # define MAP_FIXED_NOREPLACE 0x100000	/* MAP_FIXED but do not unmap
 					   underlying mapping.  */
 #endif
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/msq-pad.h b/lib/libc/include/powerpc64-linux-gnu/bits/msq-pad.h
index d697bc4d06cc3e06521ac99bcf81317e6d52ea23..c72a8507da81b2483d10665ff731ec9470af6a83 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/msq-pad.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/msq-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct msqid_ds.  PowerPC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MSG_H
 # error "Never use <bits/msq-pad.h> directly; include <sys/msg.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/procfs.h b/lib/libc/include/powerpc64-linux-gnu/bits/procfs.h
index 793fa8944a8d915183b7cb12a4e3d2da967e14d3..4afb90d85af0c433f03ddc564ac5c15aca8eebbf 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/procfs.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  PowerPC version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/pthreadtypes-arch.h b/lib/libc/include/powerpc64-linux-gnu/bits/pthreadtypes-arch.h
deleted file mode 100644
index 883306d2e817b88005264d699401521eba5734cc..0000000000000000000000000000000000000000
--- a/lib/libc/include/powerpc64-linux-gnu/bits/pthreadtypes-arch.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/* Machine-specific pthread type layouts.  PowerPC version.
-   Copyright (C) 2003-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _BITS_PTHREADTYPES_ARCH_H
-#define _BITS_PTHREADTYPES_ARCH_H	1
-
-#include <bits/wordsize.h>
-
-#if __WORDSIZE == 64
-# define __SIZEOF_PTHREAD_MUTEX_T 40
-# define __SIZEOF_PTHREAD_ATTR_T 56
-# define __SIZEOF_PTHREAD_RWLOCK_T 56
-# define __SIZEOF_PTHREAD_BARRIER_T 32
-#else
-# define __SIZEOF_PTHREAD_MUTEX_T 24
-# define __SIZEOF_PTHREAD_ATTR_T 36
-# define __SIZEOF_PTHREAD_RWLOCK_T 32
-# define __SIZEOF_PTHREAD_BARRIER_T 20
-#endif
-#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
-#define __SIZEOF_PTHREAD_COND_T 48
-#define __SIZEOF_PTHREAD_CONDATTR_T 4
-#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
-#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
-
-/* Definitions for internal mutex struct.  */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    1
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  (__WORDSIZE != 64)
-#define __PTHREAD_MUTEX_USE_UNION          (__WORDSIZE != 64)
-
-#define __LOCK_ALIGNMENT
-#define __ONCE_ALIGNMENT
-
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#if __WORDSIZE == 64
-  int __cur_writer;
-  int __shared;
-  unsigned char __rwelision;
-  unsigned char __pad1[7];
-  unsigned long int __pad2;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned int __flags;
-# define __PTHREAD_RWLOCK_ELISION_EXTRA 0, {0, 0, 0, 0, 0, 0, 0 }
-#else
-  unsigned char __rwelision;
-  unsigned char __pad2;
-  unsigned char __shared;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  int __cur_writer;
-# define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-#endif
-};
-
-#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/sem-pad.h b/lib/libc/include/powerpc64-linux-gnu/bits/sem-pad.h
index 73f7ada00cb7ca1a8f36bd806bead424f1afe9c3..e6aca7827992bb4b1046a9de52b687d13db6372f 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/sem-pad.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  PowerPC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/semaphore.h b/lib/libc/include/powerpc64-linux-gnu/bits/semaphore.h
index a8631d1aa30f0cf2b3560884d67108df405b4252..d8dd45053b963715d8531a7c54403e515166b096 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/semaphore.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/semaphore.h
@@ -1,5 +1,5 @@
 /* Machine-specific POSIX semaphore type layouts.  PowerPC version.
-   Copyright (C) 2003-2019 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/setjmp.h b/lib/libc/include/powerpc64-linux-gnu/bits/setjmp.h
index 1705da061cca8389844fc3787eb82e1a9cca6162..b0d5e53478e73eceb948d3ab44d9c7da778782a3 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/setjmp.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Define the machine-dependent type `jmp_buf'.  PowerPC version.  */
 #ifndef _BITS_SETJMP_H
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/shm-pad.h b/lib/libc/include/powerpc64-linux-gnu/bits/shm-pad.h
index 7cf2c0d72def42c207c5f5311c7a04f2fe013cff..950fc7d5b5d73204b8cc44bb2e619c8608a152ee 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/shm-pad.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/shm-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct shmid_ds.  PowerPC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shm-pad.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/sigstack.h b/lib/libc/include/powerpc64-linux-gnu/bits/sigstack.h
index f3029e811af4f17fd44bb52f696dfefcc28c9b6a..7d28d616922ad5dcf502553aae96ff0f5306959b 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/sigstack.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/sigstack.h
@@ -1,5 +1,5 @@
 /* sigstack, sigaltstack definitions.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGSTACK_H
 #define _BITS_SIGSTACK_H 1
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/socket-constants.h b/lib/libc/include/powerpc64-linux-gnu/bits/socket-constants.h
index 705f575fe09b97742a7c74d11ae0b378bf3fa4fc..ad54f32304c5832d63343229459a8d1d6fc6fc92 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/socket-constants.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/socket-constants.h
@@ -1,5 +1,5 @@
 /* Socket constants which vary among Linux architectures.  Version for POWER.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/stat.h b/lib/libc/include/powerpc64-linux-gnu/bits/stat.h
index 38c4d2425c088d74008ffbe372414a56ae66ae2c..9daf5a5c56e2a4078d5db9397436d1bcf2bee08a 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/stat.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/struct_mutex.h b/lib/libc/include/powerpc64-linux-gnu/bits/struct_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..40b5c891ec235b9e674932c346e861bd2bd94126
--- /dev/null
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/struct_mutex.h
@@ -0,0 +1,63 @@
+/* PowerPC internal mutex struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_MUTEX_INTERNAL_H
+#define _THREAD_MUTEX_INTERNAL_H 1
+
+struct __pthread_mutex_s
+{
+  int __lock;
+  unsigned int __count;
+  int __owner;
+#if __WORDSIZE == 64
+  unsigned int __nusers;
+#endif
+  /* KIND must stay at this position in the structure to maintain
+     binary compatibility with static initializers.  */
+  int __kind;
+#if __WORDSIZE == 64
+  short __spins;
+  short __elision;
+  __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV      1
+#else
+  unsigned int __nusers;
+  __extension__ union
+  {
+    struct
+    {
+      short __espins;
+      short __elision;
+# define __spins __elision_data.__espins
+# define __elision __elision_data.__elision
+    } __elision_data;
+    __pthread_slist_t __list;
+  };
+# define __PTHREAD_MUTEX_HAVE_PREV      0
+#endif
+};
+
+#if __WORDSIZE == 64
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, 0, __kind, 0, 0, { 0, 0 }
+#else
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, __kind, 0, { { 0, 0 } }
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/struct_rwlock.h b/lib/libc/include/powerpc64-linux-gnu/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..7ab9afe0eed8671a53635905506d6e0f38a2b3f2
--- /dev/null
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/struct_rwlock.h
@@ -0,0 +1,61 @@
+/* PowerPC internal rwlock struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _RWLOCK_INTERNAL_H
+#define _RWLOCK_INTERNAL_H
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+#if __WORDSIZE == 64
+  int __cur_writer;
+  int __shared;
+  unsigned char __rwelision;
+  unsigned char __pad1[7];
+  unsigned long int __pad2;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned int __flags;
+# define __PTHREAD_RWLOCK_ELISION_EXTRA 0, {0, 0, 0, 0, 0, 0, 0 }
+#else
+  unsigned char __rwelision;
+  unsigned char __pad2;
+  unsigned char __shared;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned char __flags;
+  int __cur_writer;
+# define __PTHREAD_RWLOCK_ELISION_EXTRA 0
+#endif
+};
+
+#if __WORDSIZE == 64
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, __flags
+#else
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, 0, __flags, 0
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/termios-baud.h b/lib/libc/include/powerpc64-linux-gnu/bits/termios-baud.h
index 98c3cab88c2b351a6237f6cadc3240dede274a97..45a0dd450d2314748121390699a3f9e3adc95a80 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/termios-baud.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/termios-baud.h
@@ -1,5 +1,5 @@
 /* termios baud rate selection definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-baud.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_cc.h b/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_cc.h
index 3b9f24025871183f24efd8151882073c9359a6ec..f4c30c87d28c782a7e7366c5bee03812072a1d1f 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_cc.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_cc.h
@@ -1,5 +1,5 @@
 /* termios c_cc symbolic constant definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_cflag.h b/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_cflag.h
index 16869a7138f769dc100fe75c23ce1ee445cb1904..d63f19296f4c89c52ff443815e183f53a80ae81f 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_cflag.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_cflag.h
@@ -1,5 +1,5 @@
 /* termios control mode definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_iflag.h b/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_iflag.h
index b61f9af03056120b54266871b00fcd928e884f42..846bd192c47b012f59869ee001a28e9c917f22d2 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_iflag.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_iflag.h
@@ -1,5 +1,5 @@
 /* termios input mode definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_iflags.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_lflag.h b/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_lflag.h
index 2abcbafdf581d6ba7d647880c543c4ade46eca1f..aa3d3fe584830b12fca949c738b03ee74fa55251 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_lflag.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_lflag.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/powerpc version.
-   Copyright (C) 2019i Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_lflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_oflag.h b/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_oflag.h
index ca06aad4f7046bf434fc7044cc2a6d938d8b0b72..bdac69b5ad9175c3d35383ae281a2b1f9da0fe70 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_oflag.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/termios-c_oflag.h
@@ -1,5 +1,5 @@
 /* termios output mode definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_oflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/termios-misc.h b/lib/libc/include/powerpc64-linux-gnu/bits/termios-misc.h
index 369feac2d0abaccb0a2572ce7580fb8633f7f1e8..1053139360294368e3e9865002eb07de066082cc 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/termios-misc.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/termios-misc.h
@@ -1,5 +1,5 @@
 /* termios baud platform specific definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-misc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc64-linux-gnu/fpu_control.h b/lib/libc/include/powerpc64-linux-gnu/fpu_control.h
index db5055a812e59a01925a62a031b0d01e58b6953e..06ef01bde10ea3fe39490f0dbf57fa23c2e58e36 100644
--- a/lib/libc/include/powerpc64-linux-gnu/fpu_control.h
+++ b/lib/libc/include/powerpc64-linux-gnu/fpu_control.h
@@ -1,5 +1,5 @@
 /* FPU control word definitions.  PowerPC version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H
diff --git a/lib/libc/include/powerpc64-linux-gnu/ieee754.h b/lib/libc/include/powerpc64-linux-gnu/ieee754.h
index 918506bc96974846f388ec2567cb8c57e9197515..dcdca2eb78937790a757d932928d5793d4697a77 100644
--- a/lib/libc/include/powerpc64-linux-gnu/ieee754.h
+++ b/lib/libc/include/powerpc64-linux-gnu/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,14 +13,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
diff --git a/lib/libc/include/powerpc64-linux-gnu/sys/ptrace.h b/lib/libc/include/powerpc64-linux-gnu/sys/ptrace.h
index cf05edb11dce5dc5854ff4bf3bab6a0ea23d9bbf..d88fdeb5f42a707382e82dcee619a6de92d89b78 100644
--- a/lib/libc/include/powerpc64-linux-gnu/sys/ptrace.h
+++ b/lib/libc/include/powerpc64-linux-gnu/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/PowerPC version.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PTRACE_H
 #define _SYS_PTRACE_H	1
@@ -38,6 +38,7 @@ __BEGIN_DECLS
 # undef PTRACE_GETREGSET
 # undef PTRACE_GETSIGINFO
 # undef PTRACE_GETSIGMASK
+# undef PTRACE_GET_SYSCALL_INFO
 # undef PTRACE_GETVRREGS
 # undef PTRACE_GETVSRREGS
 # undef PTRACE_INTERRUPT
@@ -65,6 +66,10 @@ __BEGIN_DECLS
 # undef PTRACE_SINGLEBLOCK
 # undef PTRACE_SINGLESTEP
 # undef PTRACE_SYSCALL
+# undef PTRACE_SYSCALL_INFO_NONE
+# undef PTRACE_SYSCALL_INFO_ENTRY
+# undef PTRACE_SYSCALL_INFO_EXIT
+# undef PTRACE_SYSCALL_INFO_SECCOMP
 # undef PTRACE_TRACEME
 #endif
 
@@ -241,8 +246,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/powerpc64-linux-gnu/sys/ucontext.h b/lib/libc/include/powerpc64-linux-gnu/sys/ucontext.h
index 6655e1250984f9e81862cde9053be62c42b7a4f3..4be8bb53854aad88fd7d8ba36ce18ab0b1480a4e 100644
--- a/lib/libc/include/powerpc64-linux-gnu/sys/ucontext.h
+++ b/lib/libc/include/powerpc64-linux-gnu/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_UCONTEXT_H
 #define _SYS_UCONTEXT_H	1
@@ -75,12 +75,12 @@ typedef struct
  * a sigcontext.  For older kernel (without Altivec) the sigcontext matches
  * the mcontext upto but not including the v_regs field.  For kernels that
  * don't set AT_HWCAP or return AT_HWCAP without PPC_FEATURE_HAS_ALTIVEC the
- * v_regs field may not exist and should not be referenced.  The v_regd field
- * can be refernced safely only after verifying that PPC_FEATURE_HAS_ALTIVEC
+ * v_regs field may not exist and should not be referenced.  The v_regs field
+ * can be referenced safely only after verifying that PPC_FEATURE_HAS_ALTIVEC
  * is set in AT_HWCAP.  */
 
 /* Number of general registers.  */
-# define __NGREG	48	/* includes r0-r31, nip, msr, lr, etc.   */
+# define __NGREG	48	/* includes r0-r31, nip, msr, lr, etc.  */
 # define __NFPREG	33	/* includes fp0-fp31 &fpscr.  */
 # define __NVRREG	34	/* includes v0-v31, vscr, & vrsave in
 				   split vectors */
@@ -136,7 +136,7 @@ typedef struct {
  * either NULL (if this processor does not support the VMX feature) or the
  * address of the first quadword within the allocated (vmx_reserve) area.
  *
- * The pointer (v_regs) of vector type (elf_vrreg_t) is essentually
+ * The pointer (v_regs) of vector type (elf_vrreg_t) is essentially
  * an array of 34 quadword entries.  The entries with
  * indexes 0-31 contain the corresponding vector registers.  The entry with
  * index 32 contains the vscr as the last word (offset 12) within the
diff --git a/lib/libc/include/powerpc64-linux-gnu/sys/user.h b/lib/libc/include/powerpc64-linux-gnu/sys/user.h
index 151aa48f53bcb68571822051cc966c73020841de..0003f18811b6189c46687bbf2d2b1511cb69e68b 100644
--- a/lib/libc/include/powerpc64-linux-gnu/sys/user.h
+++ b/lib/libc/include/powerpc64-linux-gnu/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/endian.h b/lib/libc/include/powerpc64le-linux-gnu/bits/endian.h
deleted file mode 100644
index f643beb3b5b0b795cf9922427bf399f48905afef..0000000000000000000000000000000000000000
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/endian.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-/* PowerPC can be little or big endian.  Hopefully gcc will know...  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
-# if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
-#  error Both BIG_ENDIAN and LITTLE_ENDIAN defined!
-# endif
-# define __BYTE_ORDER __BIG_ENDIAN
-#else
-# if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
-#  define __BYTE_ORDER __LITTLE_ENDIAN
-# else
-#  warning Cannot determine current byte order, assuming big-endian.
-#  define __BYTE_ORDER __BIG_ENDIAN
-# endif
-#endif
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/endianness.h b/lib/libc/include/powerpc64le-linux-gnu/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..91892fa161c23d596f9df969d929e5dda7a6ecd9
--- /dev/null
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/endianness.h
@@ -0,0 +1,16 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* PowerPC has selectable endianness.  */
+#if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
+# define __BYTE_ORDER __BIG_ENDIAN
+#endif
+#if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/environments.h b/lib/libc/include/powerpc64le-linux-gnu/bits/environments.h
index 2e1c0bc1de9e97d604bf63f82a36b8d87a909dc9..9134837e15368b2d5ec7585bd58c9e648e3148ed 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/environments.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UNISTD_H
 # error "Never include this file directly.  Use <unistd.h> instead"
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/fcntl.h b/lib/libc/include/powerpc64le-linux-gnu/bits/fcntl.h
index e344ed65a407e4be013132c18c90a70259267239..e67c6530dd4b455d81e4cae0670a8d9ad6614e53 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/fcntl.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/PowerPC.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/fenv.h b/lib/libc/include/powerpc64le-linux-gnu/bits/fenv.h
index f59c2a58096770b3e718badcefed12d1c44ff4af..65ef2f98a093376e02c8bcbb8ddf195de21fb675 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/fenv.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -170,7 +170,7 @@ extern const fenv_t __fe_nonieee_env;
 
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef double femode_t;
 
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/fenvinline.h b/lib/libc/include/powerpc64le-linux-gnu/bits/fenvinline.h
index efb8a356e21568176f88b8e80dda9591056f8f3c..695d3a395d2f4e9ed9c35ce39726147e48601806 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/fenvinline.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/fenvinline.h
@@ -1,5 +1,5 @@
 /* Inline floating-point environment handling functions for powerpc.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if defined __GNUC__ && !defined _SOFT_FLOAT && !defined __NO_FPRS__
 
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/floatn.h b/lib/libc/include/powerpc64le-linux-gnu/bits/floatn.h
index 2514b6300ecb24465964c0c26373ee37f8bed40c..bec17f1a7c281928afd0a7d68cd6571f9823b7c9 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/floatn.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features on powerpc.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_H
 #define _BITS_FLOATN_H
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/fp-fast.h b/lib/libc/include/powerpc64le-linux-gnu/bits/fp-fast.h
index 09e055f11e3e38cb2bc2cc0322f0636b9ae948a9..d8f3a7d003529a510a1d0d1b36b846660302ca24 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/fp-fast.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/fp-fast.h
@@ -1,5 +1,5 @@
 /* Define FP_FAST_* macros.  PowerPC version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/fp-fast.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/hwcap.h b/lib/libc/include/powerpc64le-linux-gnu/bits/hwcap.h
index 0d72f344185f9fe8e049742745f28a9ff63916ed..335efbd0aae91cc9cb8e40d9827282ed98340642 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/hwcap.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/hwcap.h
@@ -1,5 +1,5 @@
 /* Defines for bits in AT_HWCAP and AT_HWCAP2.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined(_SYS_AUXV_H) && !defined(_SYSDEPS_SYSDEP_H)
 # error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/ioctl-types.h b/lib/libc/include/powerpc64le-linux-gnu/bits/ioctl-types.h
index f2b9931899f0d8a072872521b439d460dd19a4e1..353daa482eeab20667561e01febcdb823aec3e06 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/ioctl-types.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/ioctl-types.h
@@ -1,5 +1,5 @@
 /* Structure types for pre-termios terminal ioctls.  Linux/powerpc version.
-   Copyright (C) 2014-2019 Free Software Foundation, Inc.
+   Copyright (C) 2014-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/ipc-perm.h b/lib/libc/include/powerpc64le-linux-gnu/bits/ipc-perm.h
new file mode 100644
index 0000000000000000000000000000000000000000..73e3a67f70389ddc6d49bd5d155b98989fa3564a
--- /dev/null
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/ipc-perm.h
@@ -0,0 +1,36 @@
+/* struct ipc_perm definition.  Linux/powerpc version.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_IPC_H
+# error "Never use <bits/ipc-perm.h> directly; include <sys/ipc.h> instead."
+#endif
+
+/* Data structure used to pass permission information to IPC operations.  */
+struct ipc_perm
+  {
+    __key_t __key;		/* Key.  */
+    __uid_t uid;		/* Owner's user ID.  */
+    __gid_t gid;		/* Owner's group ID.  */
+    __uid_t cuid;		/* Creator's user ID.  */
+    __gid_t cgid;		/* Creator's group ID.  */
+    __mode_t mode;		/* Read/write permission.  */
+    __uint32_t __seq;		/* Sequence number.  */
+    __uint32_t __pad1;
+    __uint64_t __glibc_reserved1;
+    __uint64_t __glibc_reserved2;
+  };
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/ipc.h b/lib/libc/include/powerpc64le-linux-gnu/bits/ipc.h
deleted file mode 100644
index 7b0f55f7abedd54cd18354ed37a86511d946fe18..0000000000000000000000000000000000000000
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/ipc.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_IPC_H
-# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
-#endif
-
-#include <bits/types.h>
-
-/* Mode bits for `msgget', `semget', and `shmget'.  */
-#define IPC_CREAT	01000		/* Create key if key does not exist. */
-#define IPC_EXCL	02000		/* Fail if key exists.  */
-#define IPC_NOWAIT	04000		/* Return error on wait.  */
-
-/* Control commands for `msgctl', `semctl', and `shmctl'.  */
-#define IPC_RMID	0		/* Remove identifier.  */
-#define IPC_SET		1		/* Set `ipc_perm' options.  */
-#define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#ifdef __USE_GNU
-# define IPC_INFO	3		/* See ipcs.  */
-#endif
-
-/* Special key values.  */
-#define IPC_PRIVATE	((__key_t) 0)	/* Private key.  */
-
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;		/* Key.  */
-    __uid_t uid;		/* Owner's user ID.  */
-    __gid_t gid;		/* Owner's group ID.  */
-    __uid_t cuid;		/* Creator's user ID.  */
-    __gid_t cgid;		/* Creator's group ID.  */
-    __mode_t mode;		/* Read/write permission.  */
-    __uint32_t __seq;		/* Sequence number.  */
-    __uint32_t __pad1;
-    __uint64_t __glibc_reserved1;
-    __uint64_t __glibc_reserved2;
-  };
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/iscanonical.h b/lib/libc/include/powerpc64le-linux-gnu/bits/iscanonical.h
index 108d77b41121b6b18e087e0deb8097eaadd29017..8818d6fa08f49010c19830a0e0ff2b6de8aab6db 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/iscanonical.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/iscanonical.h
@@ -1,5 +1,5 @@
 /* Define iscanonical macro.  ldbl-128ibm version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/iscanonical.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/link.h b/lib/libc/include/powerpc64le-linux-gnu/bits/link.h
index ca46d5a01bac6ed9ff635eb2f93c0ef873b57ef0..2bc935020183c643eda99ce0125a7c00242cd784 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/link.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/link.h
@@ -1,5 +1,5 @@
 /* Machine-specific declarations for dynamic linker interface.  PowerPC version
-   Copyright (C) 2004-2019 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/local_lim.h b/lib/libc/include/powerpc64le-linux-gnu/bits/local_lim.h
index 65261d42b3fe0ec04a785da2a799bcdeccc8f3b4..2178c8890c99b23cd0d82cb08378b8b3ad869764 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/local_lim.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  Linux/PPC version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
+   not, see <https://www.gnu.org/licenses/>.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/long-double.h b/lib/libc/include/powerpc64le-linux-gnu/bits/long-double.h
index 9fe5a6c570b218f0c0ddb8927e0c7cd32adad382..391f7d62fe1bf0a22105ce939d3f508084122126 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/long-double.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.  ldbl-opt version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,11 +14,12 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __NO_LONG_DOUBLE_MATH
 # define __LONG_DOUBLE_MATH_OPTIONAL	1
 # ifndef __LONG_DOUBLE_128__
 #  define __NO_LONG_DOUBLE_MATH		1
 # endif
-#endif
\ No newline at end of file
+#endif
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/mman.h b/lib/libc/include/powerpc64le-linux-gnu/bits/mman.h
index 9e80948561a9fc6b9bd8dd5f1189a199c7a0892d..40e853fef3d8b678bcbecd1b4d0c7b041159dba0 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/mman.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/PowerPC version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
@@ -36,6 +36,8 @@
 # define MAP_NONBLOCK	0x10000		/* Do not block on IO.  */
 # define MAP_STACK	0x20000		/* Allocation is for a stack.  */
 # define MAP_HUGETLB	0x40000		/* Create huge page mapping.  */
+# define MAP_SYNC	0x80000		/* Perform synchronous page
+					   faults for the mapping.  */
 # define MAP_FIXED_NOREPLACE 0x100000	/* MAP_FIXED but do not unmap
 					   underlying mapping.  */
 #endif
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/msq-pad.h b/lib/libc/include/powerpc64le-linux-gnu/bits/msq-pad.h
index d697bc4d06cc3e06521ac99bcf81317e6d52ea23..c72a8507da81b2483d10665ff731ec9470af6a83 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/msq-pad.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/msq-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct msqid_ds.  PowerPC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MSG_H
 # error "Never use <bits/msq-pad.h> directly; include <sys/msg.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/procfs.h b/lib/libc/include/powerpc64le-linux-gnu/bits/procfs.h
index 793fa8944a8d915183b7cb12a4e3d2da967e14d3..4afb90d85af0c433f03ddc564ac5c15aca8eebbf 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/procfs.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  PowerPC version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/pthreadtypes-arch.h b/lib/libc/include/powerpc64le-linux-gnu/bits/pthreadtypes-arch.h
deleted file mode 100644
index 883306d2e817b88005264d699401521eba5734cc..0000000000000000000000000000000000000000
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/pthreadtypes-arch.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/* Machine-specific pthread type layouts.  PowerPC version.
-   Copyright (C) 2003-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _BITS_PTHREADTYPES_ARCH_H
-#define _BITS_PTHREADTYPES_ARCH_H	1
-
-#include <bits/wordsize.h>
-
-#if __WORDSIZE == 64
-# define __SIZEOF_PTHREAD_MUTEX_T 40
-# define __SIZEOF_PTHREAD_ATTR_T 56
-# define __SIZEOF_PTHREAD_RWLOCK_T 56
-# define __SIZEOF_PTHREAD_BARRIER_T 32
-#else
-# define __SIZEOF_PTHREAD_MUTEX_T 24
-# define __SIZEOF_PTHREAD_ATTR_T 36
-# define __SIZEOF_PTHREAD_RWLOCK_T 32
-# define __SIZEOF_PTHREAD_BARRIER_T 20
-#endif
-#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
-#define __SIZEOF_PTHREAD_COND_T 48
-#define __SIZEOF_PTHREAD_CONDATTR_T 4
-#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
-#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
-
-/* Definitions for internal mutex struct.  */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    1
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  (__WORDSIZE != 64)
-#define __PTHREAD_MUTEX_USE_UNION          (__WORDSIZE != 64)
-
-#define __LOCK_ALIGNMENT
-#define __ONCE_ALIGNMENT
-
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#if __WORDSIZE == 64
-  int __cur_writer;
-  int __shared;
-  unsigned char __rwelision;
-  unsigned char __pad1[7];
-  unsigned long int __pad2;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned int __flags;
-# define __PTHREAD_RWLOCK_ELISION_EXTRA 0, {0, 0, 0, 0, 0, 0, 0 }
-#else
-  unsigned char __rwelision;
-  unsigned char __pad2;
-  unsigned char __shared;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  int __cur_writer;
-# define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-#endif
-};
-
-#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/sem-pad.h b/lib/libc/include/powerpc64le-linux-gnu/bits/sem-pad.h
index 73f7ada00cb7ca1a8f36bd806bead424f1afe9c3..e6aca7827992bb4b1046a9de52b687d13db6372f 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/sem-pad.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  PowerPC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/semaphore.h b/lib/libc/include/powerpc64le-linux-gnu/bits/semaphore.h
index a8631d1aa30f0cf2b3560884d67108df405b4252..d8dd45053b963715d8531a7c54403e515166b096 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/semaphore.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/semaphore.h
@@ -1,5 +1,5 @@
 /* Machine-specific POSIX semaphore type layouts.  PowerPC version.
-   Copyright (C) 2003-2019 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/setjmp.h b/lib/libc/include/powerpc64le-linux-gnu/bits/setjmp.h
index 1705da061cca8389844fc3787eb82e1a9cca6162..b0d5e53478e73eceb948d3ab44d9c7da778782a3 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/setjmp.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Define the machine-dependent type `jmp_buf'.  PowerPC version.  */
 #ifndef _BITS_SETJMP_H
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/shm-pad.h b/lib/libc/include/powerpc64le-linux-gnu/bits/shm-pad.h
index 7cf2c0d72def42c207c5f5311c7a04f2fe013cff..950fc7d5b5d73204b8cc44bb2e619c8608a152ee 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/shm-pad.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/shm-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct shmid_ds.  PowerPC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shm-pad.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/sigstack.h b/lib/libc/include/powerpc64le-linux-gnu/bits/sigstack.h
index f3029e811af4f17fd44bb52f696dfefcc28c9b6a..7d28d616922ad5dcf502553aae96ff0f5306959b 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/sigstack.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/sigstack.h
@@ -1,5 +1,5 @@
 /* sigstack, sigaltstack definitions.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGSTACK_H
 #define _BITS_SIGSTACK_H 1
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/socket-constants.h b/lib/libc/include/powerpc64le-linux-gnu/bits/socket-constants.h
index 705f575fe09b97742a7c74d11ae0b378bf3fa4fc..ad54f32304c5832d63343229459a8d1d6fc6fc92 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/socket-constants.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/socket-constants.h
@@ -1,5 +1,5 @@
 /* Socket constants which vary among Linux architectures.  Version for POWER.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/stat.h b/lib/libc/include/powerpc64le-linux-gnu/bits/stat.h
index 38c4d2425c088d74008ffbe372414a56ae66ae2c..9daf5a5c56e2a4078d5db9397436d1bcf2bee08a 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/stat.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/struct_mutex.h b/lib/libc/include/powerpc64le-linux-gnu/bits/struct_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..40b5c891ec235b9e674932c346e861bd2bd94126
--- /dev/null
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/struct_mutex.h
@@ -0,0 +1,63 @@
+/* PowerPC internal mutex struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_MUTEX_INTERNAL_H
+#define _THREAD_MUTEX_INTERNAL_H 1
+
+struct __pthread_mutex_s
+{
+  int __lock;
+  unsigned int __count;
+  int __owner;
+#if __WORDSIZE == 64
+  unsigned int __nusers;
+#endif
+  /* KIND must stay at this position in the structure to maintain
+     binary compatibility with static initializers.  */
+  int __kind;
+#if __WORDSIZE == 64
+  short __spins;
+  short __elision;
+  __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV      1
+#else
+  unsigned int __nusers;
+  __extension__ union
+  {
+    struct
+    {
+      short __espins;
+      short __elision;
+# define __spins __elision_data.__espins
+# define __elision __elision_data.__elision
+    } __elision_data;
+    __pthread_slist_t __list;
+  };
+# define __PTHREAD_MUTEX_HAVE_PREV      0
+#endif
+};
+
+#if __WORDSIZE == 64
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, 0, __kind, 0, 0, { 0, 0 }
+#else
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, __kind, 0, { { 0, 0 } }
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/struct_rwlock.h b/lib/libc/include/powerpc64le-linux-gnu/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..7ab9afe0eed8671a53635905506d6e0f38a2b3f2
--- /dev/null
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/struct_rwlock.h
@@ -0,0 +1,61 @@
+/* PowerPC internal rwlock struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _RWLOCK_INTERNAL_H
+#define _RWLOCK_INTERNAL_H
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+#if __WORDSIZE == 64
+  int __cur_writer;
+  int __shared;
+  unsigned char __rwelision;
+  unsigned char __pad1[7];
+  unsigned long int __pad2;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned int __flags;
+# define __PTHREAD_RWLOCK_ELISION_EXTRA 0, {0, 0, 0, 0, 0, 0, 0 }
+#else
+  unsigned char __rwelision;
+  unsigned char __pad2;
+  unsigned char __shared;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned char __flags;
+  int __cur_writer;
+# define __PTHREAD_RWLOCK_ELISION_EXTRA 0
+#endif
+};
+
+#if __WORDSIZE == 64
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, __flags
+#else
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, 0, __flags, 0
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/termios-baud.h b/lib/libc/include/powerpc64le-linux-gnu/bits/termios-baud.h
index 98c3cab88c2b351a6237f6cadc3240dede274a97..45a0dd450d2314748121390699a3f9e3adc95a80 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/termios-baud.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/termios-baud.h
@@ -1,5 +1,5 @@
 /* termios baud rate selection definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-baud.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_cc.h b/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_cc.h
index 3b9f24025871183f24efd8151882073c9359a6ec..f4c30c87d28c782a7e7366c5bee03812072a1d1f 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_cc.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_cc.h
@@ -1,5 +1,5 @@
 /* termios c_cc symbolic constant definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_cflag.h b/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_cflag.h
index 16869a7138f769dc100fe75c23ce1ee445cb1904..d63f19296f4c89c52ff443815e183f53a80ae81f 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_cflag.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_cflag.h
@@ -1,5 +1,5 @@
 /* termios control mode definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_iflag.h b/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_iflag.h
index b61f9af03056120b54266871b00fcd928e884f42..846bd192c47b012f59869ee001a28e9c917f22d2 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_iflag.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_iflag.h
@@ -1,5 +1,5 @@
 /* termios input mode definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_iflags.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_lflag.h b/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_lflag.h
index 2abcbafdf581d6ba7d647880c543c4ade46eca1f..aa3d3fe584830b12fca949c738b03ee74fa55251 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_lflag.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_lflag.h
@@ -1,5 +1,5 @@
 /* termios local mode definitions.  Linux/powerpc version.
-   Copyright (C) 2019i Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_lflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_oflag.h b/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_oflag.h
index ca06aad4f7046bf434fc7044cc2a6d938d8b0b72..bdac69b5ad9175c3d35383ae281a2b1f9da0fe70 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_oflag.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/termios-c_oflag.h
@@ -1,5 +1,5 @@
 /* termios output mode definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_oflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/bits/termios-misc.h b/lib/libc/include/powerpc64le-linux-gnu/bits/termios-misc.h
index 369feac2d0abaccb0a2572ce7580fb8633f7f1e8..1053139360294368e3e9865002eb07de066082cc 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/bits/termios-misc.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/bits/termios-misc.h
@@ -1,5 +1,5 @@
 /* termios baud platform specific definitions.  Linux/powerpc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-misc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/powerpc64le-linux-gnu/fpu_control.h b/lib/libc/include/powerpc64le-linux-gnu/fpu_control.h
index db5055a812e59a01925a62a031b0d01e58b6953e..06ef01bde10ea3fe39490f0dbf57fa23c2e58e36 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/fpu_control.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/fpu_control.h
@@ -1,5 +1,5 @@
 /* FPU control word definitions.  PowerPC version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H
diff --git a/lib/libc/include/powerpc64le-linux-gnu/ieee754.h b/lib/libc/include/powerpc64le-linux-gnu/ieee754.h
index 918506bc96974846f388ec2567cb8c57e9197515..dcdca2eb78937790a757d932928d5793d4697a77 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/ieee754.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,14 +13,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
diff --git a/lib/libc/include/powerpc64le-linux-gnu/sys/ptrace.h b/lib/libc/include/powerpc64le-linux-gnu/sys/ptrace.h
index cf05edb11dce5dc5854ff4bf3bab6a0ea23d9bbf..d88fdeb5f42a707382e82dcee619a6de92d89b78 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/sys/ptrace.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/PowerPC version.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PTRACE_H
 #define _SYS_PTRACE_H	1
@@ -38,6 +38,7 @@ __BEGIN_DECLS
 # undef PTRACE_GETREGSET
 # undef PTRACE_GETSIGINFO
 # undef PTRACE_GETSIGMASK
+# undef PTRACE_GET_SYSCALL_INFO
 # undef PTRACE_GETVRREGS
 # undef PTRACE_GETVSRREGS
 # undef PTRACE_INTERRUPT
@@ -65,6 +66,10 @@ __BEGIN_DECLS
 # undef PTRACE_SINGLEBLOCK
 # undef PTRACE_SINGLESTEP
 # undef PTRACE_SYSCALL
+# undef PTRACE_SYSCALL_INFO_NONE
+# undef PTRACE_SYSCALL_INFO_ENTRY
+# undef PTRACE_SYSCALL_INFO_EXIT
+# undef PTRACE_SYSCALL_INFO_SECCOMP
 # undef PTRACE_TRACEME
 #endif
 
@@ -241,8 +246,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/powerpc64le-linux-gnu/sys/ucontext.h b/lib/libc/include/powerpc64le-linux-gnu/sys/ucontext.h
index 6655e1250984f9e81862cde9053be62c42b7a4f3..4be8bb53854aad88fd7d8ba36ce18ab0b1480a4e 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/sys/ucontext.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_UCONTEXT_H
 #define _SYS_UCONTEXT_H	1
@@ -75,12 +75,12 @@ typedef struct
  * a sigcontext.  For older kernel (without Altivec) the sigcontext matches
  * the mcontext upto but not including the v_regs field.  For kernels that
  * don't set AT_HWCAP or return AT_HWCAP without PPC_FEATURE_HAS_ALTIVEC the
- * v_regs field may not exist and should not be referenced.  The v_regd field
- * can be refernced safely only after verifying that PPC_FEATURE_HAS_ALTIVEC
+ * v_regs field may not exist and should not be referenced.  The v_regs field
+ * can be referenced safely only after verifying that PPC_FEATURE_HAS_ALTIVEC
  * is set in AT_HWCAP.  */
 
 /* Number of general registers.  */
-# define __NGREG	48	/* includes r0-r31, nip, msr, lr, etc.   */
+# define __NGREG	48	/* includes r0-r31, nip, msr, lr, etc.  */
 # define __NFPREG	33	/* includes fp0-fp31 &fpscr.  */
 # define __NVRREG	34	/* includes v0-v31, vscr, & vrsave in
 				   split vectors */
@@ -136,7 +136,7 @@ typedef struct {
  * either NULL (if this processor does not support the VMX feature) or the
  * address of the first quadword within the allocated (vmx_reserve) area.
  *
- * The pointer (v_regs) of vector type (elf_vrreg_t) is essentually
+ * The pointer (v_regs) of vector type (elf_vrreg_t) is essentially
  * an array of 34 quadword entries.  The entries with
  * indexes 0-31 contain the corresponding vector registers.  The entry with
  * index 32 contains the vscr as the last word (offset 12) within the
diff --git a/lib/libc/include/powerpc64le-linux-gnu/sys/user.h b/lib/libc/include/powerpc64le-linux-gnu/sys/user.h
index 151aa48f53bcb68571822051cc966c73020841de..0003f18811b6189c46687bbf2d2b1511cb69e68b 100644
--- a/lib/libc/include/powerpc64le-linux-gnu/sys/user.h
+++ b/lib/libc/include/powerpc64le-linux-gnu/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/endian.h b/lib/libc/include/riscv64-linux-gnu/bits/endian.h
deleted file mode 100644
index ca77ccf806dcce30febd354ff9d6de1a928a13ac..0000000000000000000000000000000000000000
--- a/lib/libc/include/riscv64-linux-gnu/bits/endian.h
+++ /dev/null
@@ -1,5 +0,0 @@
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
\ No newline at end of file
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/endianness.h b/lib/libc/include/riscv64-linux-gnu/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..16a1549ca7fd0546f10f2fa46dcac3190ff86b8d
--- /dev/null
+++ b/lib/libc/include/riscv64-linux-gnu/bits/endianness.h
@@ -0,0 +1,11 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* RISC-V is little-endian.  */
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/fcntl.h b/lib/libc/include/riscv64-linux-gnu/bits/fcntl.h
index 08c1da6125f93ae34067a2967b58f40b3ac37cd0..c72b6648aa8229510eeb27a4370c6059b3b596e5 100644
--- a/lib/libc/include/riscv64-linux-gnu/bits/fcntl.h
+++ b/lib/libc/include/riscv64-linux-gnu/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux / RISC-V.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/fenv.h b/lib/libc/include/riscv64-linux-gnu/bits/fenv.h
index f0c7e3ff456b26e2681c4459d2217f34d0a05529..1cfa3ad192383ffabbc8c62de6c2c695d22ed4b7 100644
--- a/lib/libc/include/riscv64-linux-gnu/bits/fenv.h
+++ b/lib/libc/include/riscv64-linux-gnu/bits/fenv.h
@@ -1,5 +1,5 @@
 /* Floating point environment, RISC-V version.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -65,7 +65,7 @@ typedef unsigned int fenv_t;
 /* If the default argument is used we use this value.  */
 #define FE_DFL_ENV	((__const fenv_t *) -1)
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef unsigned int femode_t;
 
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/floatn.h b/lib/libc/include/riscv64-linux-gnu/bits/floatn.h
index 5e7e3f4d2e2a00997fbda0d5617a0d5c02885d51..a4045e43a3da7bc3989db331cb691add4564385f 100644
--- a/lib/libc/include/riscv64-linux-gnu/bits/floatn.h
+++ b/lib/libc/include/riscv64-linux-gnu/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features on ldbl-128 platforms.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_H
 #define _BITS_FLOATN_H
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/link.h b/lib/libc/include/riscv64-linux-gnu/bits/link.h
index 0e5bab4b0a5c0e91129d53b4f0975f3112fe76fd..5ffe4fc4c425fd9806669715dbffea9e20c289c6 100644
--- a/lib/libc/include/riscv64-linux-gnu/bits/link.h
+++ b/lib/libc/include/riscv64-linux-gnu/bits/link.h
@@ -1,5 +1,5 @@
 /* Machine-specific declarations for dynamic linker interface.  RISC-V version.
-   Copyright (C) 2005-2019 Free Software Foundation, Inc.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/long-double.h b/lib/libc/include/riscv64-linux-gnu/bits/long-double.h
index 12e30804a42fe57e6800c1fed17f216e2a6445f2..ce06962796948269026d2ea2fa8a13775bcf76b3 100644
--- a/lib/libc/include/riscv64-linux-gnu/bits/long-double.h
+++ b/lib/libc/include/riscv64-linux-gnu/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.  ldbl-128 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,8 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* long double is distinct from double, so there is nothing to
-   define here.  */
\ No newline at end of file
+   define here.  */
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/procfs.h b/lib/libc/include/riscv64-linux-gnu/bits/procfs.h
index 8625034641b0c9f6e011a7ca47990856dde39921..e967fb281d0805abd90357956f45704f6b38d928 100644
--- a/lib/libc/include/riscv64-linux-gnu/bits/procfs.h
+++ b/lib/libc/include/riscv64-linux-gnu/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  RISC-V version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/pthreadtypes-arch.h b/lib/libc/include/riscv64-linux-gnu/bits/pthreadtypes-arch.h
index 9eb39ee7dc6055bbc610354b5b4adfe4e8dac477..3bb9234ed1fd939c308933db34a8a9fa2fe3bece 100644
--- a/lib/libc/include/riscv64-linux-gnu/bits/pthreadtypes-arch.h
+++ b/lib/libc/include/riscv64-linux-gnu/bits/pthreadtypes-arch.h
@@ -1,5 +1,5 @@
 /* Machine-specific pthread type layouts.  RISC-V version.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,12 +14,12 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_ARCH_H
 #define _BITS_PTHREADTYPES_ARCH_H	1
 
-#include <endian.h>
+#include <bits/endian.h>
 
 #if __riscv_xlen == 64
 # define __SIZEOF_PTHREAD_ATTR_T 		56
@@ -35,34 +35,7 @@
 # error "rv32i-based systems are not supported"
 #endif
 
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION		0
-#define __PTHREAD_MUTEX_USE_UNION	 	0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND	0
-
 #define __LOCK_ALIGNMENT
 #define __ONCE_ALIGNMENT
 
-/* There is a lot of padding in this structure.  While it's not strictly
-   necessary on RISC-V, we're going to leave it in to be on the safe side in
-   case it's needed in the future.  Most other architectures have the padding,
-   so this gives us the same extensibility as everyone else has.  */
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-  int __cur_writer;
-  int __shared;
-  unsigned long int __pad1;
-  unsigned long int __pad2;
-  unsigned int __flags;
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 		0
-
 #endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/semaphore.h b/lib/libc/include/riscv64-linux-gnu/bits/semaphore.h
index d9a849248eec45ec73f626d58576785771c51d67..7277c658e84fd77e0c4fe2d8d4b0840447c88da6 100644
--- a/lib/libc/include/riscv64-linux-gnu/bits/semaphore.h
+++ b/lib/libc/include/riscv64-linux-gnu/bits/semaphore.h
@@ -1,5 +1,5 @@
 /* Machine-specific POSIX semaphore type layouts.  RISC-V version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/setjmp.h b/lib/libc/include/riscv64-linux-gnu/bits/setjmp.h
index 8e08e99fa7c759a399bc65d969e5bc3017eb965a..9413cc01d2f0c01cd784651a4294799a08f3ef03 100644
--- a/lib/libc/include/riscv64-linux-gnu/bits/setjmp.h
+++ b/lib/libc/include/riscv64-linux-gnu/bits/setjmp.h
@@ -1,5 +1,5 @@
 /* Define the machine-dependent type `jmp_buf'.  RISC-V version.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _RISCV_BITS_SETJMP_H
 #define _RISCV_BITS_SETJMP_H
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/sigcontext.h b/lib/libc/include/riscv64-linux-gnu/bits/sigcontext.h
index 767744f9477d0129e789ed489ae51b681e6d1b9c..65693f595476dbd47edcb981a8c6aeade4005c15 100644
--- a/lib/libc/include/riscv64-linux-gnu/bits/sigcontext.h
+++ b/lib/libc/include/riscv64-linux-gnu/bits/sigcontext.h
@@ -1,5 +1,5 @@
 /* Machine-dependent signal context structure for Linux.  RISC-V version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.  This file is part of the GNU C Library.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.  This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGCONTEXT_H
 #define _BITS_SIGCONTEXT_H 1
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/stat.h b/lib/libc/include/riscv64-linux-gnu/bits/stat.h
index 4f230772637512205d577d6a5a1a150713cc0532..2df73d11e368b718dd9b84dd4bd4697ae7b232af 100644
--- a/lib/libc/include/riscv64-linux-gnu/bits/stat.h
+++ b/lib/libc/include/riscv64-linux-gnu/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2011-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
@@ -23,7 +23,7 @@
 #ifndef _BITS_STAT_H
 #define _BITS_STAT_H	1
 
-#include <endian.h>
+#include <bits/endian.h>
 #include <bits/wordsize.h>
 
 /* 64-bit libc uses the kernel's 'struct stat', accessed via the
@@ -42,7 +42,10 @@
 
 #if defined __USE_FILE_OFFSET64
 # define __field64(type, type64, name) type64 name
-#elif __WORDSIZE == 64
+#elif __WORDSIZE == 64 || defined __INO_T_MATCHES_INO64_T
+# if defined __INO_T_MATCHES_INO64_T && !defined __OFF_T_MATCHES_OFF64_T
+#  error "ino_t and off_t must both be the same type"
+# endif
 # define __field64(type, type64, name) type name
 #elif __BYTE_ORDER == __LITTLE_ENDIAN
 # define __field64(type, type64, name) \
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/statfs.h b/lib/libc/include/riscv64-linux-gnu/bits/statfs.h
index 8da970d4a9904e2c13be8c6300c2d1f02917cccf..61c27388e94dec1e9d66eaefdc0e31d54919a495 100644
--- a/lib/libc/include/riscv64-linux-gnu/bits/statfs.h
+++ b/lib/libc/include/riscv64-linux-gnu/bits/statfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2011-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
@@ -14,13 +14,13 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_STATFS_H
 # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
 #endif
 
-#include <endian.h>
+#include <bits/endian.h>
 #include <bits/types.h>
 #include <bits/wordsize.h>
 
@@ -34,7 +34,7 @@
 
 #if defined __USE_FILE_OFFSET64
 # define __field64(type, type64, name) type64 name
-#elif __WORDSIZE == 64
+#elif __WORDSIZE == 64 || __STATFS_MATCHES_STATFS64
 # define __field64(type, type64, name) type name
 #elif __BYTE_ORDER == __LITTLE_ENDIAN
 # define __field64(type, type64, name) \
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/struct_rwlock.h b/lib/libc/include/riscv64-linux-gnu/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..46d00e138a143e0a0a420c53a5e1a7ef76f3f1fc
--- /dev/null
+++ b/lib/libc/include/riscv64-linux-gnu/bits/struct_rwlock.h
@@ -0,0 +1,45 @@
+/* RISC-V internal rwlock struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _RWLOCK_INTERNAL_H
+#define _RWLOCK_INTERNAL_H
+
+/* There is a lot of padding in this structure.  While it's not strictly
+   necessary on RISC-V, we're going to leave it in to be on the safe side in
+   case it's needed in the future.  Most other architectures have the padding,
+   so this gives us the same extensibility as everyone else has.  */
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+  int __cur_writer;
+  int __shared;
+  unsigned long int __pad1;
+  unsigned long int __pad2;
+  unsigned int __flags;
+};
+
+#define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, __flags
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/typesizes.h b/lib/libc/include/riscv64-linux-gnu/bits/typesizes.h
index 8cfcacef57d559f67c720b3014aa1adfa27361f1..d9e9b274ac7242eeb981bcf5632d2bf25eb727e0 100644
--- a/lib/libc/include/riscv64-linux-gnu/bits/typesizes.h
+++ b/lib/libc/include/riscv64-linux-gnu/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  For the generic Linux ABI.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -73,10 +73,14 @@
 
 /* And for __rlim_t and __rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
-#endif
 
+# define __STATFS_MATCHES_STATFS64  0
+#endif
 /* Number of descriptors that can fit in an `fd_set'.  */
 #define	__FD_SETSIZE		1024
 
diff --git a/lib/libc/include/riscv64-linux-gnu/bits/wordsize.h b/lib/libc/include/riscv64-linux-gnu/bits/wordsize.h
index db13f746a1d5d35bf53fcc356e421997d8881521..1c5e427762087f4cc7cfe7209bab8df1108b56fa 100644
--- a/lib/libc/include/riscv64-linux-gnu/bits/wordsize.h
+++ b/lib/libc/include/riscv64-linux-gnu/bits/wordsize.h
@@ -1,5 +1,5 @@
 /* Determine the wordsize from the preprocessor defines.  RISC-V version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if __riscv_xlen == (__SIZEOF_POINTER__ * 8)
 # define __WORDSIZE __riscv_xlen
diff --git a/lib/libc/include/riscv64-linux-gnu/fpu_control.h b/lib/libc/include/riscv64-linux-gnu/fpu_control.h
index 4647e5c8773599a326c11dee47b2a392372459bb..4aeb6aa44b339b2629506d26440be67d8a91242a 100644
--- a/lib/libc/include/riscv64-linux-gnu/fpu_control.h
+++ b/lib/libc/include/riscv64-linux-gnu/fpu_control.h
@@ -1,5 +1,5 @@
 /* FPU control word bits.  RISC-V version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H
diff --git a/lib/libc/include/riscv64-linux-gnu/ieee754.h b/lib/libc/include/riscv64-linux-gnu/ieee754.h
index e347e4a6e5a36c408ea12ee78ef6652b4538f183..63fa9c5fce55fe7d0e8c9be919b20e89c0b466a4 100644
--- a/lib/libc/include/riscv64-linux-gnu/ieee754.h
+++ b/lib/libc/include/riscv64-linux-gnu/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,14 +13,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
diff --git a/lib/libc/include/riscv64-linux-gnu/sys/asm.h b/lib/libc/include/riscv64-linux-gnu/sys/asm.h
index c42716a9fe157ce9dfc936c9d9342b5d448a5510..01c6095c69b48d1fdcb4eb1d586dc726f69490ed 100644
--- a/lib/libc/include/riscv64-linux-gnu/sys/asm.h
+++ b/lib/libc/include/riscv64-linux-gnu/sys/asm.h
@@ -1,5 +1,5 @@
 /* Miscellaneous macros.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_ASM_H
 #define _SYS_ASM_H
diff --git a/lib/libc/include/riscv64-linux-gnu/sys/cachectl.h b/lib/libc/include/riscv64-linux-gnu/sys/cachectl.h
index bd18c3c6579c717897962cb93b08cb25ed7404ce..7d627edf2c3bfd7c6ecf240db5398b327b74d7c5 100644
--- a/lib/libc/include/riscv64-linux-gnu/sys/cachectl.h
+++ b/lib/libc/include/riscv64-linux-gnu/sys/cachectl.h
@@ -1,5 +1,5 @@
 /* RISC-V instruction cache flushing interface
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_CACHECTL_H
 #define _SYS_CACHECTL_H 1
diff --git a/lib/libc/include/riscv64-linux-gnu/sys/ucontext.h b/lib/libc/include/riscv64-linux-gnu/sys/ucontext.h
index 5fc777e66221a37df546c7c65785ecdc38e159ab..5d7aeabad1190e5d3cc6cbd1feeb97e5973a6bd8 100644
--- a/lib/libc/include/riscv64-linux-gnu/sys/ucontext.h
+++ b/lib/libc/include/riscv64-linux-gnu/sys/ucontext.h
@@ -1,5 +1,5 @@
 /* struct ucontext definition, RISC-V version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Don't rely on this, the interface is currently messed up and may need to
    be broken to be fixed.  */
diff --git a/lib/libc/include/riscv64-linux-gnu/sys/user.h b/lib/libc/include/riscv64-linux-gnu/sys/user.h
index 5dbff3ead65fab1708a976bef7d319352b4359bf..6e235050f8b9a1cce6f317eafba726d9418bedd1 100644
--- a/lib/libc/include/riscv64-linux-gnu/sys/user.h
+++ b/lib/libc/include/riscv64-linux-gnu/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 #define _SYS_USER_H	1
diff --git a/lib/libc/include/s390x-linux-gnu/bits/elfclass.h b/lib/libc/include/s390x-linux-gnu/bits/elfclass.h
index 6c9777de937f5c3597b64b94e0cabbb1477b133c..524c41cc78ee4b5813418e7c9b919ba6e9e95168 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/elfclass.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/elfclass.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This file specifies the native word size of the machine, which indicates
    the ELF file class used for executables and shared objects on this
diff --git a/lib/libc/include/s390x-linux-gnu/bits/endian.h b/lib/libc/include/s390x-linux-gnu/bits/endian.h
deleted file mode 100644
index ae6a488342e08fd796bc7c422b26454f851cbe5a..0000000000000000000000000000000000000000
--- a/lib/libc/include/s390x-linux-gnu/bits/endian.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* s390 is big-endian */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __BIG_ENDIAN
\ No newline at end of file
diff --git a/lib/libc/include/s390x-linux-gnu/bits/endianness.h b/lib/libc/include/s390x-linux-gnu/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..00f80f030e3dc9e7a9938e06de2a2df7f42b39cf
--- /dev/null
+++ b/lib/libc/include/s390x-linux-gnu/bits/endianness.h
@@ -0,0 +1,11 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* S/390 is big-endian.  */
+#define __BYTE_ORDER __BIG_ENDIAN
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/s390x-linux-gnu/bits/environments.h b/lib/libc/include/s390x-linux-gnu/bits/environments.h
index 6b6be99ad12841d6b46024933e4a7d180eab3968..ceb249aa7f4df591692d33c15016c8e2f36f4fd9 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/environments.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UNISTD_H
 # error "Never include this file directly.  Use <unistd.h> instead"
diff --git a/lib/libc/include/s390x-linux-gnu/bits/fcntl.h b/lib/libc/include/s390x-linux-gnu/bits/fcntl.h
index 528036423684996e49033770f177265be31af01a..1e8b1bdde6f4b6e275407945d0c0f152a6915e1d 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/fcntl.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/s390x-linux-gnu/bits/fenv.h b/lib/libc/include/s390x-linux-gnu/bits/fenv.h
index 8183b9190ce7a4cf5dae83579922a6f3f30242cc..281e760819541119cd09b75dc40bcb5a3fdad19c 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/fenv.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Denis Joseph Barrow <djbarrow@de.ibm.com>.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -91,7 +91,7 @@ typedef struct
 # define FE_NOMASK_ENV	((const fenv_t *) -2)
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef unsigned int femode_t;
 
diff --git a/lib/libc/include/s390x-linux-gnu/bits/floatn.h b/lib/libc/include/s390x-linux-gnu/bits/floatn.h
index 5e7e3f4d2e2a00997fbda0d5617a0d5c02885d51..a4045e43a3da7bc3989db331cb691add4564385f 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/floatn.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features on ldbl-128 platforms.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_H
 #define _BITS_FLOATN_H
diff --git a/lib/libc/include/s390x-linux-gnu/bits/flt-eval-method.h b/lib/libc/include/s390x-linux-gnu/bits/flt-eval-method.h
index 113d0c95bf9384d0f827c9d5dafffee1d2ea4906..476c45e6840de980eed53c654fb322d8845f79c7 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/flt-eval-method.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/flt-eval-method.h
@@ -1,5 +1,5 @@
 /* Define __GLIBC_FLT_EVAL_METHOD.  S/390 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/flt-eval-method.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/s390x-linux-gnu/bits/hwcap.h b/lib/libc/include/s390x-linux-gnu/bits/hwcap.h
index 76ab321e19cea39f5d881c68364b8e4340104331..02ed6bc98c632303a286bdbb0c9e442581120f32 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/hwcap.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/hwcap.h
@@ -1,5 +1,5 @@
 /* Defines for bits in AT_HWCAP.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_AUXV_H
 # error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
diff --git a/lib/libc/include/s390x-linux-gnu/bits/ipc.h b/lib/libc/include/s390x-linux-gnu/bits/ipc.h
deleted file mode 100644
index 70d5293edc6c2dd0d286c5a87f1ec7f78f5fea92..0000000000000000000000000000000000000000
--- a/lib/libc/include/s390x-linux-gnu/bits/ipc.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_IPC_H
-# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
-#endif
-
-#include <bits/types.h>
-#include <bits/wordsize.h>
-
-/* Mode bits for `msgget', `semget', and `shmget'.  */
-#define IPC_CREAT	01000		/* Create key if key does not exist. */
-#define IPC_EXCL	02000		/* Fail if key exists.	*/
-#define IPC_NOWAIT	04000		/* Return error on wait.  */
-
-/* Control commands for `msgctl', `semctl', and `shmctl'.  */
-#define IPC_RMID	0		/* Remove identifier.  */
-#define IPC_SET		1		/* Set `ipc_perm' options.  */
-#define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#ifdef __USE_GNU
-#define IPC_INFO	3		/* See ipcs.  */
-#endif
-
-/* Special key values.	*/
-#define IPC_PRIVATE	((__key_t) 0)	/* Private key.	 */
-
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;			/* Key.	 */
-    __uid_t uid;			/* Owner's user ID.  */
-    __gid_t gid;			/* Owner's group ID.  */
-    __uid_t cuid;			/* Creator's user ID.  */
-    __gid_t cgid;			/* Creator's group ID.	*/
-#if __WORDSIZE == 64
-    __mode_t mode;			/* Read/write permission.  */
-#else
-    unsigned short int mode;		/* Read/write permission.  */
-    unsigned short int __pad1;
-#endif
-    unsigned short int __seq;		/* Sequence number.  */
-    unsigned short int __pad2;
-    unsigned long int __glibc_reserved1;
-    unsigned long int __glibc_reserved2;
-  };
\ No newline at end of file
diff --git a/lib/libc/include/s390x-linux-gnu/bits/link.h b/lib/libc/include/s390x-linux-gnu/bits/link.h
index 04d7a5e4533c33e5d7284b8fd088207ef20eeff6..e9497e85b72846ae57540556ac91e4bf99e4813f 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/link.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/link.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/s390x-linux-gnu/bits/long-double.h b/lib/libc/include/s390x-linux-gnu/bits/long-double.h
index 9fe5a6c570b218f0c0ddb8927e0c7cd32adad382..391f7d62fe1bf0a22105ce939d3f508084122126 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/long-double.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.  ldbl-opt version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,11 +14,12 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef __NO_LONG_DOUBLE_MATH
 # define __LONG_DOUBLE_MATH_OPTIONAL	1
 # ifndef __LONG_DOUBLE_128__
 #  define __NO_LONG_DOUBLE_MATH		1
 # endif
-#endif
\ No newline at end of file
+#endif
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/s390x-linux-gnu/bits/procfs-extra.h b/lib/libc/include/s390x-linux-gnu/bits/procfs-extra.h
index 64ea29c4208ee1ff4860f28111d0cffcb2e93432..b7893aa175f7a2623076c835196fbdb5c7ce6a72 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/procfs-extra.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/procfs-extra.h
@@ -1,5 +1,5 @@
 /* Extra sys/procfs.h definitions.  S/390 version.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-extra.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/s390x-linux-gnu/bits/procfs-id.h b/lib/libc/include/s390x-linux-gnu/bits/procfs-id.h
index e891c80b06bb4ffc2efc2dd2be42eea5e1562552..16f571fbce6e2cd54fa2a51a4d2a059f3d924590 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/procfs-id.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/procfs-id.h
@@ -1,5 +1,5 @@
 /* Types of pr_uid and pr_gid in struct elf_prpsinfo.  S/390 version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-id.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/s390x-linux-gnu/bits/procfs.h b/lib/libc/include/s390x-linux-gnu/bits/procfs.h
index 4b1540813a3b7ddb657f6fd92d2a3770b5458e0f..e992e8cc1bd96c7f125c6722ffecd95b266bdeea 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/procfs.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  S/390 version.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/s390x-linux-gnu/bits/pthreadtypes-arch.h b/lib/libc/include/s390x-linux-gnu/bits/pthreadtypes-arch.h
deleted file mode 100644
index f956573147ad3c48d63116f3ff46677b7ef96c61..0000000000000000000000000000000000000000
--- a/lib/libc/include/s390x-linux-gnu/bits/pthreadtypes-arch.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/* Copyright (C) 2003-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _BITS_PTHREADTYPES_ARCH_H
-#define _BITS_PTHREADTYPES_ARCH_H	1
-
-#include <bits/wordsize.h>
-
-#if __WORDSIZE == 64
-# define __SIZEOF_PTHREAD_ATTR_T 56
-# define __SIZEOF_PTHREAD_MUTEX_T 40
-# define __SIZEOF_PTHREAD_RWLOCK_T 56
-# define __SIZEOF_PTHREAD_BARRIER_T 32
-#else
-# define __SIZEOF_PTHREAD_ATTR_T 36
-# define __SIZEOF_PTHREAD_MUTEX_T 24
-# define __SIZEOF_PTHREAD_RWLOCK_T 32
-# define __SIZEOF_PTHREAD_BARRIER_T 20
-#endif
-#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
-#define __SIZEOF_PTHREAD_CONDATTR_T 4
-#define __SIZEOF_PTHREAD_COND_T 48
-#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
-#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
-
-/* Definitions for internal mutex struct.  */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    1
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  (__WORDSIZE != 64)
-#define __PTHREAD_MUTEX_USE_UNION          (__WORDSIZE != 64)
-
-#define __LOCK_ALIGNMENT
-#define __ONCE_ALIGNMENT
-
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#if __WORDSIZE == 64
-  int __cur_writer;
-  int __shared;
-  unsigned long int __pad1;
-  unsigned long int __pad2;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned int __flags;
-# else
-  unsigned char __pad1;
-  unsigned char __pad2;
-  unsigned char __shared;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  int __cur_writer;
-#endif
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-
-#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/s390x-linux-gnu/bits/semaphore.h b/lib/libc/include/s390x-linux-gnu/bits/semaphore.h
index ee86f96737746ab0aaf396fb03ec6ab0dc62310b..d99eca3d90bceddd7863ecde4e8ac8c0dc3a4e67 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/semaphore.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/semaphore.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2003-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/s390x-linux-gnu/bits/setjmp.h b/lib/libc/include/s390x-linux-gnu/bits/setjmp.h
index 51768deac72e7da6266845564f02f0686e294fe6..33f1db47089d9e6954aeee6b89913b2bd116cf15 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/setjmp.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Define the machine-dependent type `jmp_buf'.  IBM s390 version.  */
 
diff --git a/lib/libc/include/s390x-linux-gnu/bits/sigaction.h b/lib/libc/include/s390x-linux-gnu/bits/sigaction.h
index 9134fa13a1a75c55225660fa3167ca5d4f023607..9fceeaf6f78731088fc47640b465bd3ed625f52a 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/sigaction.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/sigaction.h
@@ -1,5 +1,5 @@
 /* Definitions for 31 & 64 bit S/390 sigaction.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGACTION_H
 #define _BITS_SIGACTION_H 1
diff --git a/lib/libc/include/s390x-linux-gnu/bits/stat.h b/lib/libc/include/s390x-linux-gnu/bits/stat.h
index af5edf36d978bf625f47805851e8e1e5045f641a..ef5b2504fc1ae06d72175acc81db694ae010aec2 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/stat.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/include/s390x-linux-gnu/bits/statfs.h b/lib/libc/include/s390x-linux-gnu/bits/statfs.h
index 693968e5565f071057024f5dfe627e8a2249067c..d592a3335295a5d5586cdeaf53612db236f56e2e 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/statfs.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/statfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_STATFS_H
 # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
diff --git a/lib/libc/include/s390x-linux-gnu/bits/struct_mutex.h b/lib/libc/include/s390x-linux-gnu/bits/struct_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..f81c2fbb3f8be5e17e7d79d94c2c93309ed889fc
--- /dev/null
+++ b/lib/libc/include/s390x-linux-gnu/bits/struct_mutex.h
@@ -0,0 +1,63 @@
+/* S390 internal mutex struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_MUTEX_INTERNAL_H
+#define _THREAD_MUTEX_INTERNAL_H 1
+
+struct __pthread_mutex_s
+{
+  int __lock;
+  unsigned int __count;
+  int __owner;
+#if __WORDSIZE == 64
+  unsigned int __nusers;
+#endif
+  /* KIND must stay at this position in the structure to maintain
+     binary compatibility with static initializers.  */
+  int __kind;
+#if __WORDSIZE == 64
+  short __spins;
+  short __elision;
+  __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV      1
+#else
+  unsigned int __nusers;
+  __extension__ union
+  {
+    struct
+    {
+      short __espins;
+      short __elision;
+    } _d;
+#  define __spins _d.__espins
+#  define __elision _d.__elision
+    __pthread_slist_t __list;
+  };
+# define __PTHREAD_MUTEX_HAVE_PREV      0
+#endif
+};
+
+#if __WORDSIZE == 64
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, 0, __kind, 0, 0, { 0, 0 }
+#else
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, __kind, 0, { { 0, 0 } }
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/s390x-linux-gnu/bits/struct_rwlock.h b/lib/libc/include/s390x-linux-gnu/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..e0f5109d4fa0b1805044aff2cf6005b7ebfa6668
--- /dev/null
+++ b/lib/libc/include/s390x-linux-gnu/bits/struct_rwlock.h
@@ -0,0 +1,58 @@
+/* S390 internal rwlock struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _RWLOCK_INTERNAL_H
+#define _RWLOCK_INTERNAL_H
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+#if __WORDSIZE == 64
+  int __cur_writer;
+  int __shared;
+  unsigned long int __pad1;
+  unsigned long int __pad2;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned int __flags;
+# else
+  unsigned char __pad1;
+  unsigned char __pad2;
+  unsigned char __shared;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned char __flags;
+  int __cur_writer;
+#endif
+};
+
+#if __WORDSIZE == 64
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, __flags
+#else
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, __flags, 0
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/s390x-linux-gnu/bits/typesizes.h b/lib/libc/include/s390x-linux-gnu/bits/typesizes.h
index 0db5047dae1b777350788732cd88c5b7b18b3b77..d31219c155d4ad5519306dffec0c3da0aa55539c 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/typesizes.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Linux/s390 version.
-   Copyright (C) 2003-2019 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -78,8 +78,13 @@
 
 /* And for __rlim_t and __rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
+
+# define __STATFS_MATCHES_STATFS64  0
 #endif
 
 /* Number of descriptors that can fit in an `fd_set'.  */
diff --git a/lib/libc/include/s390x-linux-gnu/bits/utmp.h b/lib/libc/include/s390x-linux-gnu/bits/utmp.h
index 4476231443ba64e9e7adf2b278e065bbdff76685..e74481f3cf57fcb258c8c8948c7bdd9550db4830 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/utmp.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/utmp.h
@@ -1,5 +1,5 @@
 /* The `struct utmp' type, describing entries in the utmp file.  GNU version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UTMP_H
 # error "Never include <bits/utmp.h> directly; use <utmp.h> instead."
@@ -61,7 +61,8 @@ struct utmp
   pid_t ut_pid;			/* Process ID of login process.  */
   char ut_line[UT_LINESIZE]
      __attribute_nonstring__;	/* Devicename.  */
-  char ut_id[4];		/* Inittab ID.  */
+  char ut_id[4]
+    __attribute_nonstring__;	/* Inittab ID.  */
   char ut_user[UT_NAMESIZE]
      __attribute_nonstring__;	/* Username.  */
   char ut_host[UT_HOSTSIZE]
diff --git a/lib/libc/include/s390x-linux-gnu/bits/utmpx.h b/lib/libc/include/s390x-linux-gnu/bits/utmpx.h
index d498d9f115e2d02c07f831d11024fc6207ccc394..9466c4b53098c5696c9a25047d362eef97402de5 100644
--- a/lib/libc/include/s390x-linux-gnu/bits/utmpx.h
+++ b/lib/libc/include/s390x-linux-gnu/bits/utmpx.h
@@ -1,5 +1,5 @@
 /* Structures and definitions for the user accounting database.  GNU version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UTMPX_H
 # error "Never include <bits/utmpx.h> directly; use <utmpx.h> instead."
@@ -56,10 +56,14 @@ struct utmpx
 {
   short int ut_type;		/* Type of login.  */
   __pid_t ut_pid;		/* Process ID of login process.  */
-  char ut_line[__UT_LINESIZE];	/* Devicename.  */
-  char ut_id[4];		/* Inittab ID. */
-  char ut_user[__UT_NAMESIZE];	/* Username.  */
-  char ut_host[__UT_HOSTSIZE];	/* Hostname for remote login.  */
+  char ut_line[__UT_LINESIZE]
+    __attribute_nonstring__;	/* Devicename.  */
+  char ut_id[4]
+    __attribute_nonstring__;	/* Inittab ID.  */
+  char ut_user[__UT_NAMESIZE]
+    __attribute_nonstring__;	/* Username.  */
+  char ut_host[__UT_HOSTSIZE]
+    __attribute_nonstring__;	/* Hostname for remote login.  */
   struct __exit_status ut_exit;	/* Exit status of a process marked
 				   as DEAD_PROCESS.  */
 
diff --git a/lib/libc/include/s390x-linux-gnu/fpu_control.h b/lib/libc/include/s390x-linux-gnu/fpu_control.h
index 8418548900496352b6da5031dcf2693a55120e67..3ca492fd63f207ce6b3ef3d03cf170395385eacf 100644
--- a/lib/libc/include/s390x-linux-gnu/fpu_control.h
+++ b/lib/libc/include/s390x-linux-gnu/fpu_control.h
@@ -1,5 +1,5 @@
 /* FPU control word definitions.  Stub version.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com) and
    Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
@@ -16,7 +16,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H
diff --git a/lib/libc/include/s390x-linux-gnu/ieee754.h b/lib/libc/include/s390x-linux-gnu/ieee754.h
index e347e4a6e5a36c408ea12ee78ef6652b4538f183..63fa9c5fce55fe7d0e8c9be919b20e89c0b466a4 100644
--- a/lib/libc/include/s390x-linux-gnu/ieee754.h
+++ b/lib/libc/include/s390x-linux-gnu/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,14 +13,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
diff --git a/lib/libc/include/s390x-linux-gnu/sys/elf.h b/lib/libc/include/s390x-linux-gnu/sys/elf.h
index 4a2e879b4ae398bbaddb0f8612c82f5d9bd67785..3bdf93f1d0389eb8c819afd14362ddc503136041 100644
--- a/lib/libc/include/s390x-linux-gnu/sys/elf.h
+++ b/lib/libc/include/s390x-linux-gnu/sys/elf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_ELF_H
 #define _SYS_ELF_H	1
diff --git a/lib/libc/include/s390x-linux-gnu/sys/ptrace.h b/lib/libc/include/s390x-linux-gnu/sys/ptrace.h
index 8afedb8c5693f69bac53ba30135c73e03eab8153..50673a84a21c0a95d7f3ae29cfb275bcbeac4e48 100644
--- a/lib/libc/include/s390x-linux-gnu/sys/ptrace.h
+++ b/lib/libc/include/s390x-linux-gnu/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/S390 version.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
    Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PTRACE_H
 #define _SYS_PTRACE_H	1
@@ -79,6 +79,11 @@ __BEGIN_DECLS
 # undef PTRACE_EVENT_SECCOMP
 # undef PTRACE_EVENT_STOP
 # undef PTRACE_PEEKSIGINFO_SHARED
+# undef PTRACE_GET_SYSCALL_INFO
+# undef PTRACE_SYSCALL_INFO_NONE
+# undef PTRACE_SYSCALL_INFO_ENTRY
+# undef PTRACE_SYSCALL_INFO_EXIT
+# undef PTRACE_SYSCALL_INFO_SECCOMP
 #endif
 /* Type of the REQUEST argument to `ptrace.'  */
 enum __ptrace_request
@@ -198,6 +203,10 @@ enum __ptrace_request
   PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
 
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e,
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
+
   PTRACE_PEEKUSR_AREA = 0x5000,
 #define PTRACE_PEEKUSR_AREA PTRACE_PEEKUSR_AREA
 
diff --git a/lib/libc/include/s390x-linux-gnu/sys/ucontext.h b/lib/libc/include/s390x-linux-gnu/sys/ucontext.h
index 8e22466eb7728ddc3f448010db3905a91c67b435..fc83b2c8f28dbc47c28cc49a3e44d4022ac586b5 100644
--- a/lib/libc/include/s390x-linux-gnu/sys/ucontext.h
+++ b/lib/libc/include/s390x-linux-gnu/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_UCONTEXT_H
 #define _SYS_UCONTEXT_H	1
diff --git a/lib/libc/include/s390x-linux-gnu/sys/user.h b/lib/libc/include/s390x-linux-gnu/sys/user.h
index 30484f5f7fbce579d6bbf73f640de10ae254418a..19bbd0c40b0cdf1d73ab33d10fb8aa868615ad04 100644
--- a/lib/libc/include/s390x-linux-gnu/sys/user.h
+++ b/lib/libc/include/s390x-linux-gnu/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 #define _SYS_USER_H	1
diff --git a/lib/libc/include/sparc-linux-gnu/bits/endian.h b/lib/libc/include/sparc-linux-gnu/bits/endian.h
deleted file mode 100644
index 1e1dd7a2e0bfdad02f9c782ca30e6d9dd8726ef8..0000000000000000000000000000000000000000
--- a/lib/libc/include/sparc-linux-gnu/bits/endian.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/* Sparc is big-endian, but v9 supports endian conversion on loads/stores
-   and GCC supports such a mode.  Be prepared.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#ifdef __LITTLE_ENDIAN__
-# define __BYTE_ORDER __LITTLE_ENDIAN
-#else
-# define __BYTE_ORDER __BIG_ENDIAN
-#endif
\ No newline at end of file
diff --git a/lib/libc/include/sparc-linux-gnu/bits/endianness.h b/lib/libc/include/sparc-linux-gnu/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..8b14090d0ec5b80fad71332f3ee618b709f04cfb
--- /dev/null
+++ b/lib/libc/include/sparc-linux-gnu/bits/endianness.h
@@ -0,0 +1,16 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* Sparc is big-endian, but v9 supports endian conversion on loads/stores
+   and GCC supports such a mode.  Be prepared.  */
+#ifdef __LITTLE_ENDIAN__
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#else
+# define __BYTE_ORDER __BIG_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/sparc-linux-gnu/bits/environments.h b/lib/libc/include/sparc-linux-gnu/bits/environments.h
index 2e1c0bc1de9e97d604bf63f82a36b8d87a909dc9..9134837e15368b2d5ec7585bd58c9e648e3148ed 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/environments.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UNISTD_H
 # error "Never include this file directly.  Use <unistd.h> instead"
diff --git a/lib/libc/include/sparc-linux-gnu/bits/epoll.h b/lib/libc/include/sparc-linux-gnu/bits/epoll.h
index a5ae26649bdaa238fb5fe50289ae1e9233216062..b06a61433436b3bdf45200b44746c43aa328ccf9 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/epoll.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/epoll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EPOLL_H
 # error "Never use <bits/epoll.h> directly; include <sys/epoll.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/errno.h b/lib/libc/include/sparc-linux-gnu/bits/errno.h
index 8ef40090fb45b6911ca7a5bdcdc8c6e90cdd7b8d..d190a7681791c04ec332ab1d39c65dffe5a31427 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/errno.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/errno.h
@@ -1,5 +1,5 @@
 /* Error constants.  Linux/Sparc specific version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_ERRNO_H
 #define _BITS_ERRNO_H 1
diff --git a/lib/libc/include/sparc-linux-gnu/bits/eventfd.h b/lib/libc/include/sparc-linux-gnu/bits/eventfd.h
index 942ede19f7b96b0f59adf0c73aeea28e66257878..a57ae6403d3d7425653b2f4d620687d197e90181 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/eventfd.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/eventfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EVENTFD_H
 # error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/fcntl.h b/lib/libc/include/sparc-linux-gnu/bits/fcntl.h
index 903872d0b6cffe10cb576541c0cbc456ef77b8f7..48e3da347272d3f7870d901e15735e2bce8ece18 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/fcntl.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/SPARC.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/fenv.h b/lib/libc/include/sparc-linux-gnu/bits/fenv.h
index 5a9305af9fae38ea55a9ff5fee0e9de082d31ac4..408a29f7b61883aaf2c9ce22ca53765b874a40e5 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/fenv.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -92,7 +92,7 @@ typedef unsigned long int fenv_t;
 # define __fenv_ldfsr(X)   __asm__ __volatile__ ("ld %0,%%fsr" : : "m" (X))
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef unsigned long int femode_t;
 
diff --git a/lib/libc/include/sparc-linux-gnu/bits/floatn.h b/lib/libc/include/sparc-linux-gnu/bits/floatn.h
index 5e7e3f4d2e2a00997fbda0d5617a0d5c02885d51..a4045e43a3da7bc3989db331cb691add4564385f 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/floatn.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features on ldbl-128 platforms.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_H
 #define _BITS_FLOATN_H
diff --git a/lib/libc/include/sparc-linux-gnu/bits/hwcap.h b/lib/libc/include/sparc-linux-gnu/bits/hwcap.h
index a05d2b6a25eeefae498494f3866e072055402559..679ae54a2f28d88e912dc8eb9c5649c72cbc8f61 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/hwcap.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/hwcap.h
@@ -1,5 +1,5 @@
 /* Defines for bits in AT_HWCAP.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined(_SYS_AUXV_H) && !defined(_SYSDEPS_SYSDEP_H)
 # error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/inotify.h b/lib/libc/include/sparc-linux-gnu/bits/inotify.h
index 9042dd71bb2444b674681e06dc6e29d8d558d39e..8d1caf93a2a6f6ba889ee92a70721af778e0da3c 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/inotify.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/inotify.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_INOTIFY_H
 # error "Never use <bits/inotify.h> directly; include <sys/inotify.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/ioctls.h b/lib/libc/include/sparc-linux-gnu/bits/ioctls.h
index 244d48193da3f2a9aff8fe891e3f875349b6bcd7..46ae087fe6313aa937a663ad691383eb5f1470c8 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/ioctls.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/ioctls.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctls.h> directly; include <sys/ioctl.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/ipc-perm.h b/lib/libc/include/sparc-linux-gnu/bits/ipc-perm.h
new file mode 100644
index 0000000000000000000000000000000000000000..97839b1e72dbe57850963e64a16b5e478de3b7f8
--- /dev/null
+++ b/lib/libc/include/sparc-linux-gnu/bits/ipc-perm.h
@@ -0,0 +1,36 @@
+/* struct ipc_perm definition.  Linux/sparc version.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_IPC_H
+# error "Never use <bits/ipc-perm.h> directly; include <sys/ipc.h> instead."
+#endif
+
+/* Data structure used to pass permission information to IPC operations.  */
+struct ipc_perm
+  {
+    __key_t __key;			/* Key.  */
+    __uid_t uid;			/* Owner's user ID.  */
+    __gid_t gid;			/* Owner's group ID.  */
+    __uid_t cuid;			/* Creator's user ID.  */
+    __gid_t cgid;			/* Creator's group ID.  */
+    __mode_t mode;			/* Read/write permission.  */
+    unsigned short int __pad1;
+    unsigned short int __seq;		/* Sequence number.  */
+    __extension__ unsigned long long int __glibc_reserved1;
+    __extension__ unsigned long long int __glibc_reserved2;
+  };
\ No newline at end of file
diff --git a/lib/libc/include/sparc-linux-gnu/bits/ipc.h b/lib/libc/include/sparc-linux-gnu/bits/ipc.h
deleted file mode 100644
index abda8ba408a74385e1625dcda408a29d6d69251d..0000000000000000000000000000000000000000
--- a/lib/libc/include/sparc-linux-gnu/bits/ipc.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_IPC_H
-# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
-#endif
-
-#include <bits/types.h>
-#include <bits/wordsize.h>
-
-/* Mode bits for `msgget', `semget', and `shmget'.  */
-#define IPC_CREAT	01000		/* Create key if key does not exist. */
-#define IPC_EXCL	02000		/* Fail if key exists.  */
-#define IPC_NOWAIT	04000		/* Return error on wait.  */
-
-/* Control commands for `msgctl', `semctl', and `shmctl'.  */
-#define IPC_RMID	0		/* Remove identifier.  */
-#define IPC_SET		1		/* Set `ipc_perm' options.  */
-#define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#ifdef __USE_GNU
-# define IPC_INFO	3		/* See ipcs.  */
-#endif
-
-/* Special key values.  */
-#define IPC_PRIVATE	((__key_t) 0)	/* Private key.  */
-
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;			/* Key.  */
-    __uid_t uid;			/* Owner's user ID.  */
-    __gid_t gid;			/* Owner's group ID.  */
-    __uid_t cuid;			/* Creator's user ID.  */
-    __gid_t cgid;			/* Creator's group ID.  */
-#if __WORDSIZE == 32
-    unsigned short int __pad1;
-    unsigned short int mode;		/* Read/write permission.  */
-    unsigned short int __pad2;
-#else
-    __mode_t mode;			/* Read/write permission.  */
-    unsigned short int __pad1;
-#endif
-    unsigned short int __seq;		/* Sequence number.  */
-    __extension__ unsigned long long int __glibc_reserved1;
-    __extension__ unsigned long long int __glibc_reserved2;
-  };
\ No newline at end of file
diff --git a/lib/libc/include/sparc-linux-gnu/bits/link.h b/lib/libc/include/sparc-linux-gnu/bits/link.h
index 05e2fe6aac4e4e1e5e80df4bf3dd3a61f70f09c6..9ba62345c039c5984c882ee78dfece92e0053aaf 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/link.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/link.h
@@ -1,5 +1,5 @@
 /* Machine-specific audit interfaces for dynamic linker.  SPARC version.
-   Copyright (C) 2005-2019 Free Software Foundation, Inc.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/local_lim.h b/lib/libc/include/sparc-linux-gnu/bits/local_lim.h
index 0f3afc18becf800920a325b0f3f85c119bf80526..b2c73b5ae56a97fb31c7944289419268a6380ce9 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/local_lim.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  Linux/SPARC version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Library General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
+   not, see <https://www.gnu.org/licenses/>.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
diff --git a/lib/libc/include/sparc-linux-gnu/bits/long-double.h b/lib/libc/include/sparc-linux-gnu/bits/long-double.h
index 9858947c1b470036740ddc877ae0b40728f6bade..e32f6ad721692a6a0c64c807d8da88f5f00b0de4 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/long-double.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.  SPARC version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <bits/wordsize.h>
 
@@ -23,4 +23,5 @@
 # ifndef __LONG_DOUBLE_128__
 #  define __NO_LONG_DOUBLE_MATH        1
 # endif
-#endif
\ No newline at end of file
+#endif
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/sparc-linux-gnu/bits/mman.h b/lib/libc/include/sparc-linux-gnu/bits/mman.h
index 3d71e80356466d72ee1ab96da362b7e5da76d8e1..8fec53b60f27c386b0d0e9a9d3b90a7cdde9e797 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/mman.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/SPARC version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
@@ -36,6 +36,8 @@
 # define MAP_NONBLOCK	0x10000		/* Do not block on IO.  */
 # define MAP_STACK	0x20000		/* Allocation is for a stack.  */
 # define MAP_HUGETLB	0x40000		/* Create huge page mapping.  */
+# define MAP_SYNC	0x80000		/* Perform synchronous page
+					   faults for the mapping.  */
 # define MAP_FIXED_NOREPLACE 0x100000	/* MAP_FIXED but do not unmap
 					   underlying mapping.  */
 #endif
diff --git a/lib/libc/include/sparc-linux-gnu/bits/msq-pad.h b/lib/libc/include/sparc-linux-gnu/bits/msq-pad.h
index 4e1c89ee36a42fdea6c811d860b966a2f968a0f5..6e05183c93c6ac8b0ec5bcce045036da76ff4b5c 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/msq-pad.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/msq-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct msqid_ds.  SPARC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MSG_H
 # error "Never use <bits/msq-pad.h> directly; include <sys/msg.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/poll.h b/lib/libc/include/sparc-linux-gnu/bits/poll.h
index b62004fb163694bdc5126c99787c0430761fcf04..892307ca0fc64a50d50f611605f67ec2f14faa50 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/poll.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/poll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_POLL_H
 # error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/procfs-extra.h b/lib/libc/include/sparc-linux-gnu/bits/procfs-extra.h
index 3804e18a0f88ce51df0a1df912fe9aefcd875799..3e7691d5c3c526145c65c0b776d9cc3bcc14bd36 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/procfs-extra.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/procfs-extra.h
@@ -1,5 +1,5 @@
 /* Extra sys/procfs.h definitions.  SPARC version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-extra.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/procfs-id.h b/lib/libc/include/sparc-linux-gnu/bits/procfs-id.h
index 64fb74a6e7e9f5483ba306a54b6d66cbefb01eeb..df3f655ac89bb78793136f86c5c80b3ab3e9a735 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/procfs-id.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/procfs-id.h
@@ -1,5 +1,5 @@
 /* Types of pr_uid and pr_gid in struct elf_prpsinfo.  SPARC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-id.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/procfs.h b/lib/libc/include/sparc-linux-gnu/bits/procfs.h
index d7908b1b0f70c7d3dea7f6e1753d566806fde0b9..7b3620640df294e2cc1de74b69a11ea824e43713 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/procfs.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  SPARC version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/pthreadtypes-arch.h b/lib/libc/include/sparc-linux-gnu/bits/pthreadtypes-arch.h
deleted file mode 100644
index 6460ba95843ea6e0caff92c83f3707a281c809b4..0000000000000000000000000000000000000000
--- a/lib/libc/include/sparc-linux-gnu/bits/pthreadtypes-arch.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/* Machine-specific pthread type layouts.  SPARC version.
-   Copyright (C) 2003-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _BITS_PTHREADTYPES_ARCH_H
-#define _BITS_PTHREADTYPES_ARCH_H	1
-
-#include <bits/wordsize.h>
-
-#if __WORDSIZE == 64
-# define __SIZEOF_PTHREAD_ATTR_T 56
-# define __SIZEOF_PTHREAD_MUTEX_T 40
-# define __SIZEOF_PTHREAD_CONDATTR_T 4
-# define __SIZEOF_PTHREAD_RWLOCK_T 56
-# define __SIZEOF_PTHREAD_BARRIER_T 32
-#else
-# define __SIZEOF_PTHREAD_ATTR_T 36
-# define __SIZEOF_PTHREAD_MUTEX_T 24
-# define __SIZEOF_PTHREAD_CONDATTR_T 4
-# define __SIZEOF_PTHREAD_RWLOCK_T 32
-# define __SIZEOF_PTHREAD_BARRIER_T 20
-#endif
-#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
-#define __SIZEOF_PTHREAD_COND_T 48
-#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
-#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
-
-/* Definitions for internal mutex struct.  */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  (__WORDSIZE != 64)
-#define __PTHREAD_MUTEX_USE_UNION          (__WORDSIZE != 64)
-
-#define __LOCK_ALIGNMENT
-#define __ONCE_ALIGNMENT
-
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#if __WORDSIZE == 64
-  int __cur_writer;
-  int __shared;
-  unsigned long int __pad1;
-  unsigned long int __pad2;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned int __flags;
-#else
-  unsigned char __pad1;
-  unsigned char __pad2;
-  unsigned char __shared;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  int __cur_writer;
-#endif
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-
-#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/sparc-linux-gnu/bits/resource.h b/lib/libc/include/sparc-linux-gnu/bits/resource.h
index d3f58fd4c6f500d4a0f06b7bfb6707c52c787b77..34605679a3d5117e6d441ac2313f351c185ae57d 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/resource.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/resource.h
@@ -1,5 +1,5 @@
 /* Bit values & structures for resource limits.  Linux/SPARC version.
-   Copyright (C) 1994-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_RESOURCE_H
 # error "Never use <bits/resource.h> directly; include <sys/resource.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/sem-pad.h b/lib/libc/include/sparc-linux-gnu/bits/sem-pad.h
index 1fd5475b40faae19eead121fd269409b0e0bd566..75a0a010c91b5f3ff5bd57b4da466c4aefc83b14 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/sem-pad.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  SPARC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/semaphore.h b/lib/libc/include/sparc-linux-gnu/bits/semaphore.h
index f309c0c2b8be94983a4acaa1f5066576d64338cf..ee2f8e0ca520f76de2a1290bfaa32bd15d11ebf7 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/semaphore.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/semaphore.h
@@ -1,5 +1,5 @@
 /* Machine-specific POSIX semaphore type layouts.  SPARC version.
-   Copyright (C) 2003-2019 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/setjmp.h b/lib/libc/include/sparc-linux-gnu/bits/setjmp.h
index bec6fd8fc86e95bcd79908d9dc63caf9380b1273..1e1174bad169cabddafd10a75a789eddd3f7c5fd 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/setjmp.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SETJMP_H
 #define _BITS_SETJMP_H  1
diff --git a/lib/libc/include/sparc-linux-gnu/bits/shm-pad.h b/lib/libc/include/sparc-linux-gnu/bits/shm-pad.h
index 48bf1434560c13e2d7033c12f419e696e9010238..6f9480247fa03aba82dec62069d4d15b5f1d8121 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/shm-pad.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/shm-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct shmid_ds.  SPARC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shm-pad.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/shmlba.h b/lib/libc/include/sparc-linux-gnu/bits/shmlba.h
index 5c736778ba757e6bd736f37ee1f8dcbfde752e72..fc9e3e3669925efba093f21402f9614568abbd87 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/shmlba.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/shmlba.h
@@ -1,5 +1,5 @@
 /* Define SHMLBA.  SPARC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/sigaction.h b/lib/libc/include/sparc-linux-gnu/bits/sigaction.h
index 3e18d99602b2f724577af9f909df221a1e606d38..2a3f67242de81b6c3da8c2f95c167398bc2e025d 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/sigaction.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/sigaction.h
@@ -1,5 +1,5 @@
 /* The proper definitions for Linux/SPARC sigaction.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGACTION_H
 #define _BITS_SIGACTION_H 1
diff --git a/lib/libc/include/sparc-linux-gnu/bits/sigcontext.h b/lib/libc/include/sparc-linux-gnu/bits/sigcontext.h
index e0f4caf2f6c60a21cfb20d6c344cf64e9eca8f71..df187d5970913639b04548aa79e964dc8564a01d 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/sigcontext.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/sigcontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGCONTEXT_H
 #define _BITS_SIGCONTEXT_H 1
diff --git a/lib/libc/include/sparc-linux-gnu/bits/signalfd.h b/lib/libc/include/sparc-linux-gnu/bits/signalfd.h
index f3ad2383f0628ef94e169b1f279e41e9d467fcba..6cfcd8c574bcff9b0ce8856ef614c61fcff77526 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/signalfd.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/signalfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_SIGNALFD_H
 # error "Never use <bits/signalfd.h> directly; include <sys/signalfd.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/signum.h b/lib/libc/include/sparc-linux-gnu/bits/signum.h
index 4486a253b0c5ad58b3096275cfe0207c788986ff..2890ba7808602cfd9cf0c7a69d3857b510a22655 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/signum.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/signum.h
@@ -1,5 +1,5 @@
 /* Signal number definitions.  Linux/SPARC version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGNUM_H
 #define _BITS_SIGNUM_H 1
diff --git a/lib/libc/include/sparc-linux-gnu/bits/sigstack.h b/lib/libc/include/sparc-linux-gnu/bits/sigstack.h
index f3029e811af4f17fd44bb52f696dfefcc28c9b6a..7d28d616922ad5dcf502553aae96ff0f5306959b 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/sigstack.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/sigstack.h
@@ -1,5 +1,5 @@
 /* sigstack, sigaltstack definitions.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGSTACK_H
 #define _BITS_SIGSTACK_H 1
diff --git a/lib/libc/include/sparc-linux-gnu/bits/socket-constants.h b/lib/libc/include/sparc-linux-gnu/bits/socket-constants.h
index 8334fc24e4b6e9485599a4e8004bb26b1c31d83d..94b8e65b3c518001cd24dfc3270cdec788df36ba 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/socket-constants.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/socket-constants.h
@@ -1,5 +1,5 @@
 /* Socket constants which vary among Linux architectures.  Version for SPARC.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/socket_type.h b/lib/libc/include/sparc-linux-gnu/bits/socket_type.h
index 411c8e87707c911f1890ab1c61faba5d8985d6d1..d25882e2a0fc0f614309e9f07269484e13edb6a9 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/socket_type.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/socket_type.h
@@ -1,5 +1,5 @@
 /* Define enum __socket_type for Linux/SPARC.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket_type.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/stat.h b/lib/libc/include/sparc-linux-gnu/bits/stat.h
index 5330f3a46dafe2b85be76d09411b2c88038c2a64..cf6d4e2b07b57db26ff5523b30339708c450b88d 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/stat.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/struct_rwlock.h b/lib/libc/include/sparc-linux-gnu/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..433d1f6f166a4c5f143bf6a259e0f2334bf280a0
--- /dev/null
+++ b/lib/libc/include/sparc-linux-gnu/bits/struct_rwlock.h
@@ -0,0 +1,58 @@
+/* SPARC internal rwlock struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _RWLOCK_INTERNAL_H
+#define _RWLOCK_INTERNAL_H
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+#if __WORDSIZE == 64
+  int __cur_writer;
+  int __shared;
+  unsigned long int __pad1;
+  unsigned long int __pad2;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned int __flags;
+#else
+  unsigned char __pad1;
+  unsigned char __pad2;
+  unsigned char __shared;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned char __flags;
+  int __cur_writer;
+#endif
+};
+
+#if __WORDSIZE == 64
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, __flags
+#else
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, __flags, 0
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/sparc-linux-gnu/bits/termios-baud.h b/lib/libc/include/sparc-linux-gnu/bits/termios-baud.h
index 5fb05af14ad7b14d005f0e7c166f15751f1ca089..9cb0c1f770d8665bdef88988915e4376b09dfd7c 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/termios-baud.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/termios-baud.h
@@ -1,5 +1,5 @@
 /* termios baud rate selection definitions.  Linux/sparc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-baud.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/termios-c_cc.h b/lib/libc/include/sparc-linux-gnu/bits/termios-c_cc.h
index 03bf3dc37d9ab92335ccc5474a977b3aedcd0e6c..ba7e520eaddf262f5cd5182ecd722b381961047c 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/termios-c_cc.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/termios-c_cc.h
@@ -1,5 +1,5 @@
 /* termios c_cc symbolic constant definitions.  Linux/sparc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/termios-c_oflag.h b/lib/libc/include/sparc-linux-gnu/bits/termios-c_oflag.h
index fb2d8d1e16971fe9ca46d01d44e41c0984f20e0e..05e6b5471032dd7cc490c917fed200629db1fddd 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/termios-c_oflag.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/termios-c_oflag.h
@@ -1,5 +1,5 @@
 /* termios output mode definitions.  Linux/sparc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_oflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/termios-struct.h b/lib/libc/include/sparc-linux-gnu/bits/termios-struct.h
index c76457619c05d5ecd7fbe6227badb657686d188b..2cb8e1c88f65deba0df3012c9a7976b0dc96f11f 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/termios-struct.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/termios-struct.h
@@ -1,5 +1,5 @@
 /* struct termios definition.  Linux/sparc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-struct.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/timerfd.h b/lib/libc/include/sparc-linux-gnu/bits/timerfd.h
index e858253959e7135917fcf31e1c8fcb6216e3dfe6..411ed5208b54c6795d8c85caba9e77d2d7521a85 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/timerfd.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/timerfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_TIMERFD_H
 # error "Never use <bits/timerfd.h> directly; include <sys/timerfd.h> instead."
diff --git a/lib/libc/include/sparc-linux-gnu/bits/typesizes.h b/lib/libc/include/sparc-linux-gnu/bits/typesizes.h
index ac12c705b9ae4ecaf2c8d6e53a1ede58045860f7..123acf7d25a050fecb49e1ca99e3e8cef794b839 100644
--- a/lib/libc/include/sparc-linux-gnu/bits/typesizes.h
+++ b/lib/libc/include/sparc-linux-gnu/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Linux/SPARC version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -72,8 +72,13 @@
 
 /* And for __rlim_t and __rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
+
+# define __STATFS_MATCHES_STATFS64  0
 #endif
 
 /* Number of descriptors that can fit in an `fd_set'.  */
diff --git a/lib/libc/include/sparc-linux-gnu/fpu_control.h b/lib/libc/include/sparc-linux-gnu/fpu_control.h
index 5456801580fead6ee1d946249cc9bba9b8c46cd0..40690b5bf72ede9efac4bbd37e2d9b693e688133 100644
--- a/lib/libc/include/sparc-linux-gnu/fpu_control.h
+++ b/lib/libc/include/sparc-linux-gnu/fpu_control.h
@@ -1,5 +1,5 @@
 /* FPU control word bits.  SPARC version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Miguel de Icaza
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H	1
diff --git a/lib/libc/include/sparc-linux-gnu/ieee754.h b/lib/libc/include/sparc-linux-gnu/ieee754.h
index e347e4a6e5a36c408ea12ee78ef6652b4538f183..63fa9c5fce55fe7d0e8c9be919b20e89c0b466a4 100644
--- a/lib/libc/include/sparc-linux-gnu/ieee754.h
+++ b/lib/libc/include/sparc-linux-gnu/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,14 +13,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
diff --git a/lib/libc/include/sparc-linux-gnu/sys/ptrace.h b/lib/libc/include/sparc-linux-gnu/sys/ptrace.h
index c64858789aaab2967deee4e1a72ffb50c11a5714..4f7fe458c25332e76f53ffa12fb12bc7e269c3bf 100644
--- a/lib/libc/include/sparc-linux-gnu/sys/ptrace.h
+++ b/lib/libc/include/sparc-linux-gnu/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/SPARC version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PTRACE_H
 #define _SYS_PTRACE_H	1
@@ -217,8 +217,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/sparc-linux-gnu/sys/ucontext.h b/lib/libc/include/sparc-linux-gnu/sys/ucontext.h
index ce917b46da1ea61bcbdc305df34d5b7165cdf40d..7d658646622206713b9a665186fab64921ad50c3 100644
--- a/lib/libc/include/sparc-linux-gnu/sys/ucontext.h
+++ b/lib/libc/include/sparc-linux-gnu/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_UCONTEXT_H
 #define _SYS_UCONTEXT_H	1
diff --git a/lib/libc/include/sparc-linux-gnu/sys/user.h b/lib/libc/include/sparc-linux-gnu/sys/user.h
index 142047ab1b9e3cd376adb12f1a0c495838fc9e40..574a9a011c68a151251132ec7806d941ba105462 100644
--- a/lib/libc/include/sparc-linux-gnu/sys/user.h
+++ b/lib/libc/include/sparc-linux-gnu/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2003-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 #define _SYS_USER_H	1
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/endian.h b/lib/libc/include/sparcv9-linux-gnu/bits/endian.h
deleted file mode 100644
index 1e1dd7a2e0bfdad02f9c782ca30e6d9dd8726ef8..0000000000000000000000000000000000000000
--- a/lib/libc/include/sparcv9-linux-gnu/bits/endian.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/* Sparc is big-endian, but v9 supports endian conversion on loads/stores
-   and GCC supports such a mode.  Be prepared.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#ifdef __LITTLE_ENDIAN__
-# define __BYTE_ORDER __LITTLE_ENDIAN
-#else
-# define __BYTE_ORDER __BIG_ENDIAN
-#endif
\ No newline at end of file
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/endianness.h b/lib/libc/include/sparcv9-linux-gnu/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..8b14090d0ec5b80fad71332f3ee618b709f04cfb
--- /dev/null
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/endianness.h
@@ -0,0 +1,16 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* Sparc is big-endian, but v9 supports endian conversion on loads/stores
+   and GCC supports such a mode.  Be prepared.  */
+#ifdef __LITTLE_ENDIAN__
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#else
+# define __BYTE_ORDER __BIG_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/environments.h b/lib/libc/include/sparcv9-linux-gnu/bits/environments.h
index 2e1c0bc1de9e97d604bf63f82a36b8d87a909dc9..9134837e15368b2d5ec7585bd58c9e648e3148ed 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/environments.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UNISTD_H
 # error "Never include this file directly.  Use <unistd.h> instead"
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/epoll.h b/lib/libc/include/sparcv9-linux-gnu/bits/epoll.h
index a5ae26649bdaa238fb5fe50289ae1e9233216062..b06a61433436b3bdf45200b44746c43aa328ccf9 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/epoll.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/epoll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EPOLL_H
 # error "Never use <bits/epoll.h> directly; include <sys/epoll.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/errno.h b/lib/libc/include/sparcv9-linux-gnu/bits/errno.h
index 8ef40090fb45b6911ca7a5bdcdc8c6e90cdd7b8d..d190a7681791c04ec332ab1d39c65dffe5a31427 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/errno.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/errno.h
@@ -1,5 +1,5 @@
 /* Error constants.  Linux/Sparc specific version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_ERRNO_H
 #define _BITS_ERRNO_H 1
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/eventfd.h b/lib/libc/include/sparcv9-linux-gnu/bits/eventfd.h
index 942ede19f7b96b0f59adf0c73aeea28e66257878..a57ae6403d3d7425653b2f4d620687d197e90181 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/eventfd.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/eventfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EVENTFD_H
 # error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/fcntl.h b/lib/libc/include/sparcv9-linux-gnu/bits/fcntl.h
index 903872d0b6cffe10cb576541c0cbc456ef77b8f7..48e3da347272d3f7870d901e15735e2bce8ece18 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/fcntl.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/SPARC.
-   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/fenv.h b/lib/libc/include/sparcv9-linux-gnu/bits/fenv.h
index 5a9305af9fae38ea55a9ff5fee0e9de082d31ac4..408a29f7b61883aaf2c9ce22ca53765b874a40e5 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/fenv.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -92,7 +92,7 @@ typedef unsigned long int fenv_t;
 # define __fenv_ldfsr(X)   __asm__ __volatile__ ("ld %0,%%fsr" : : "m" (X))
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef unsigned long int femode_t;
 
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/floatn.h b/lib/libc/include/sparcv9-linux-gnu/bits/floatn.h
index 5e7e3f4d2e2a00997fbda0d5617a0d5c02885d51..a4045e43a3da7bc3989db331cb691add4564385f 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/floatn.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features on ldbl-128 platforms.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_H
 #define _BITS_FLOATN_H
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/hwcap.h b/lib/libc/include/sparcv9-linux-gnu/bits/hwcap.h
index a05d2b6a25eeefae498494f3866e072055402559..679ae54a2f28d88e912dc8eb9c5649c72cbc8f61 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/hwcap.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/hwcap.h
@@ -1,5 +1,5 @@
 /* Defines for bits in AT_HWCAP.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined(_SYS_AUXV_H) && !defined(_SYSDEPS_SYSDEP_H)
 # error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/inotify.h b/lib/libc/include/sparcv9-linux-gnu/bits/inotify.h
index 9042dd71bb2444b674681e06dc6e29d8d558d39e..8d1caf93a2a6f6ba889ee92a70721af778e0da3c 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/inotify.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/inotify.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_INOTIFY_H
 # error "Never use <bits/inotify.h> directly; include <sys/inotify.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/ioctls.h b/lib/libc/include/sparcv9-linux-gnu/bits/ioctls.h
index 244d48193da3f2a9aff8fe891e3f875349b6bcd7..46ae087fe6313aa937a663ad691383eb5f1470c8 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/ioctls.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/ioctls.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctls.h> directly; include <sys/ioctl.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/ipc-perm.h b/lib/libc/include/sparcv9-linux-gnu/bits/ipc-perm.h
new file mode 100644
index 0000000000000000000000000000000000000000..97839b1e72dbe57850963e64a16b5e478de3b7f8
--- /dev/null
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/ipc-perm.h
@@ -0,0 +1,36 @@
+/* struct ipc_perm definition.  Linux/sparc version.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_IPC_H
+# error "Never use <bits/ipc-perm.h> directly; include <sys/ipc.h> instead."
+#endif
+
+/* Data structure used to pass permission information to IPC operations.  */
+struct ipc_perm
+  {
+    __key_t __key;			/* Key.  */
+    __uid_t uid;			/* Owner's user ID.  */
+    __gid_t gid;			/* Owner's group ID.  */
+    __uid_t cuid;			/* Creator's user ID.  */
+    __gid_t cgid;			/* Creator's group ID.  */
+    __mode_t mode;			/* Read/write permission.  */
+    unsigned short int __pad1;
+    unsigned short int __seq;		/* Sequence number.  */
+    __extension__ unsigned long long int __glibc_reserved1;
+    __extension__ unsigned long long int __glibc_reserved2;
+  };
\ No newline at end of file
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/ipc.h b/lib/libc/include/sparcv9-linux-gnu/bits/ipc.h
deleted file mode 100644
index abda8ba408a74385e1625dcda408a29d6d69251d..0000000000000000000000000000000000000000
--- a/lib/libc/include/sparcv9-linux-gnu/bits/ipc.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_IPC_H
-# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
-#endif
-
-#include <bits/types.h>
-#include <bits/wordsize.h>
-
-/* Mode bits for `msgget', `semget', and `shmget'.  */
-#define IPC_CREAT	01000		/* Create key if key does not exist. */
-#define IPC_EXCL	02000		/* Fail if key exists.  */
-#define IPC_NOWAIT	04000		/* Return error on wait.  */
-
-/* Control commands for `msgctl', `semctl', and `shmctl'.  */
-#define IPC_RMID	0		/* Remove identifier.  */
-#define IPC_SET		1		/* Set `ipc_perm' options.  */
-#define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#ifdef __USE_GNU
-# define IPC_INFO	3		/* See ipcs.  */
-#endif
-
-/* Special key values.  */
-#define IPC_PRIVATE	((__key_t) 0)	/* Private key.  */
-
-
-/* Data structure used to pass permission information to IPC operations.  */
-struct ipc_perm
-  {
-    __key_t __key;			/* Key.  */
-    __uid_t uid;			/* Owner's user ID.  */
-    __gid_t gid;			/* Owner's group ID.  */
-    __uid_t cuid;			/* Creator's user ID.  */
-    __gid_t cgid;			/* Creator's group ID.  */
-#if __WORDSIZE == 32
-    unsigned short int __pad1;
-    unsigned short int mode;		/* Read/write permission.  */
-    unsigned short int __pad2;
-#else
-    __mode_t mode;			/* Read/write permission.  */
-    unsigned short int __pad1;
-#endif
-    unsigned short int __seq;		/* Sequence number.  */
-    __extension__ unsigned long long int __glibc_reserved1;
-    __extension__ unsigned long long int __glibc_reserved2;
-  };
\ No newline at end of file
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/link.h b/lib/libc/include/sparcv9-linux-gnu/bits/link.h
index 05e2fe6aac4e4e1e5e80df4bf3dd3a61f70f09c6..9ba62345c039c5984c882ee78dfece92e0053aaf 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/link.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/link.h
@@ -1,5 +1,5 @@
 /* Machine-specific audit interfaces for dynamic linker.  SPARC version.
-   Copyright (C) 2005-2019 Free Software Foundation, Inc.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/local_lim.h b/lib/libc/include/sparcv9-linux-gnu/bits/local_lim.h
index 0f3afc18becf800920a325b0f3f85c119bf80526..b2c73b5ae56a97fb31c7944289419268a6380ce9 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/local_lim.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  Linux/SPARC version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Library General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
+   not, see <https://www.gnu.org/licenses/>.  */
 
 /* The kernel header pollutes the namespace with the NR_OPEN symbol
    and defines LINK_MAX although filesystems have different maxima.  A
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/long-double.h b/lib/libc/include/sparcv9-linux-gnu/bits/long-double.h
index 9858947c1b470036740ddc877ae0b40728f6bade..e32f6ad721692a6a0c64c807d8da88f5f00b0de4 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/long-double.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.  SPARC version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <bits/wordsize.h>
 
@@ -23,4 +23,5 @@
 # ifndef __LONG_DOUBLE_128__
 #  define __NO_LONG_DOUBLE_MATH        1
 # endif
-#endif
\ No newline at end of file
+#endif
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/mman.h b/lib/libc/include/sparcv9-linux-gnu/bits/mman.h
index 3d71e80356466d72ee1ab96da362b7e5da76d8e1..8fec53b60f27c386b0d0e9a9d3b90a7cdde9e797 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/mman.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/SPARC version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
@@ -36,6 +36,8 @@
 # define MAP_NONBLOCK	0x10000		/* Do not block on IO.  */
 # define MAP_STACK	0x20000		/* Allocation is for a stack.  */
 # define MAP_HUGETLB	0x40000		/* Create huge page mapping.  */
+# define MAP_SYNC	0x80000		/* Perform synchronous page
+					   faults for the mapping.  */
 # define MAP_FIXED_NOREPLACE 0x100000	/* MAP_FIXED but do not unmap
 					   underlying mapping.  */
 #endif
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/msq-pad.h b/lib/libc/include/sparcv9-linux-gnu/bits/msq-pad.h
index 4e1c89ee36a42fdea6c811d860b966a2f968a0f5..6e05183c93c6ac8b0ec5bcce045036da76ff4b5c 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/msq-pad.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/msq-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct msqid_ds.  SPARC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MSG_H
 # error "Never use <bits/msq-pad.h> directly; include <sys/msg.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/poll.h b/lib/libc/include/sparcv9-linux-gnu/bits/poll.h
index b62004fb163694bdc5126c99787c0430761fcf04..892307ca0fc64a50d50f611605f67ec2f14faa50 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/poll.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/poll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_POLL_H
 # error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/procfs-extra.h b/lib/libc/include/sparcv9-linux-gnu/bits/procfs-extra.h
index 3804e18a0f88ce51df0a1df912fe9aefcd875799..3e7691d5c3c526145c65c0b776d9cc3bcc14bd36 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/procfs-extra.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/procfs-extra.h
@@ -1,5 +1,5 @@
 /* Extra sys/procfs.h definitions.  SPARC version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-extra.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/procfs-id.h b/lib/libc/include/sparcv9-linux-gnu/bits/procfs-id.h
index 64fb74a6e7e9f5483ba306a54b6d66cbefb01eeb..df3f655ac89bb78793136f86c5c80b3ab3e9a735 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/procfs-id.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/procfs-id.h
@@ -1,5 +1,5 @@
 /* Types of pr_uid and pr_gid in struct elf_prpsinfo.  SPARC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-id.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/procfs.h b/lib/libc/include/sparcv9-linux-gnu/bits/procfs.h
index d7908b1b0f70c7d3dea7f6e1753d566806fde0b9..7b3620640df294e2cc1de74b69a11ea824e43713 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/procfs.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  SPARC version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/pthreadtypes-arch.h b/lib/libc/include/sparcv9-linux-gnu/bits/pthreadtypes-arch.h
deleted file mode 100644
index 6460ba95843ea6e0caff92c83f3707a281c809b4..0000000000000000000000000000000000000000
--- a/lib/libc/include/sparcv9-linux-gnu/bits/pthreadtypes-arch.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/* Machine-specific pthread type layouts.  SPARC version.
-   Copyright (C) 2003-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _BITS_PTHREADTYPES_ARCH_H
-#define _BITS_PTHREADTYPES_ARCH_H	1
-
-#include <bits/wordsize.h>
-
-#if __WORDSIZE == 64
-# define __SIZEOF_PTHREAD_ATTR_T 56
-# define __SIZEOF_PTHREAD_MUTEX_T 40
-# define __SIZEOF_PTHREAD_CONDATTR_T 4
-# define __SIZEOF_PTHREAD_RWLOCK_T 56
-# define __SIZEOF_PTHREAD_BARRIER_T 32
-#else
-# define __SIZEOF_PTHREAD_ATTR_T 36
-# define __SIZEOF_PTHREAD_MUTEX_T 24
-# define __SIZEOF_PTHREAD_CONDATTR_T 4
-# define __SIZEOF_PTHREAD_RWLOCK_T 32
-# define __SIZEOF_PTHREAD_BARRIER_T 20
-#endif
-#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
-#define __SIZEOF_PTHREAD_COND_T 48
-#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
-#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
-
-/* Definitions for internal mutex struct.  */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    0
-#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  (__WORDSIZE != 64)
-#define __PTHREAD_MUTEX_USE_UNION          (__WORDSIZE != 64)
-
-#define __LOCK_ALIGNMENT
-#define __ONCE_ALIGNMENT
-
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#if __WORDSIZE == 64
-  int __cur_writer;
-  int __shared;
-  unsigned long int __pad1;
-  unsigned long int __pad2;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned int __flags;
-#else
-  unsigned char __pad1;
-  unsigned char __pad2;
-  unsigned char __shared;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  int __cur_writer;
-#endif
-};
-
-#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-
-#endif	/* bits/pthreadtypes.h */
\ No newline at end of file
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/resource.h b/lib/libc/include/sparcv9-linux-gnu/bits/resource.h
index d3f58fd4c6f500d4a0f06b7bfb6707c52c787b77..34605679a3d5117e6d441ac2313f351c185ae57d 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/resource.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/resource.h
@@ -1,5 +1,5 @@
 /* Bit values & structures for resource limits.  Linux/SPARC version.
-   Copyright (C) 1994-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_RESOURCE_H
 # error "Never use <bits/resource.h> directly; include <sys/resource.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/sem-pad.h b/lib/libc/include/sparcv9-linux-gnu/bits/sem-pad.h
index 1fd5475b40faae19eead121fd269409b0e0bd566..75a0a010c91b5f3ff5bd57b4da466c4aefc83b14 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/sem-pad.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  SPARC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/semaphore.h b/lib/libc/include/sparcv9-linux-gnu/bits/semaphore.h
index f309c0c2b8be94983a4acaa1f5066576d64338cf..ee2f8e0ca520f76de2a1290bfaa32bd15d11ebf7 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/semaphore.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/semaphore.h
@@ -1,5 +1,5 @@
 /* Machine-specific POSIX semaphore type layouts.  SPARC version.
-   Copyright (C) 2003-2019 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/setjmp.h b/lib/libc/include/sparcv9-linux-gnu/bits/setjmp.h
index bec6fd8fc86e95bcd79908d9dc63caf9380b1273..1e1174bad169cabddafd10a75a789eddd3f7c5fd 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/setjmp.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SETJMP_H
 #define _BITS_SETJMP_H  1
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/shm-pad.h b/lib/libc/include/sparcv9-linux-gnu/bits/shm-pad.h
index 48bf1434560c13e2d7033c12f419e696e9010238..6f9480247fa03aba82dec62069d4d15b5f1d8121 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/shm-pad.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/shm-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct shmid_ds.  SPARC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shm-pad.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/shmlba.h b/lib/libc/include/sparcv9-linux-gnu/bits/shmlba.h
index 5c736778ba757e6bd736f37ee1f8dcbfde752e72..fc9e3e3669925efba093f21402f9614568abbd87 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/shmlba.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/shmlba.h
@@ -1,5 +1,5 @@
 /* Define SHMLBA.  SPARC version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SHM_H
 # error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/sigaction.h b/lib/libc/include/sparcv9-linux-gnu/bits/sigaction.h
index 3e18d99602b2f724577af9f909df221a1e606d38..2a3f67242de81b6c3da8c2f95c167398bc2e025d 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/sigaction.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/sigaction.h
@@ -1,5 +1,5 @@
 /* The proper definitions for Linux/SPARC sigaction.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGACTION_H
 #define _BITS_SIGACTION_H 1
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/sigcontext.h b/lib/libc/include/sparcv9-linux-gnu/bits/sigcontext.h
index e0f4caf2f6c60a21cfb20d6c344cf64e9eca8f71..df187d5970913639b04548aa79e964dc8564a01d 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/sigcontext.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/sigcontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGCONTEXT_H
 #define _BITS_SIGCONTEXT_H 1
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/signalfd.h b/lib/libc/include/sparcv9-linux-gnu/bits/signalfd.h
index f3ad2383f0628ef94e169b1f279e41e9d467fcba..6cfcd8c574bcff9b0ce8856ef614c61fcff77526 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/signalfd.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/signalfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_SIGNALFD_H
 # error "Never use <bits/signalfd.h> directly; include <sys/signalfd.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/signum.h b/lib/libc/include/sparcv9-linux-gnu/bits/signum.h
index 4486a253b0c5ad58b3096275cfe0207c788986ff..2890ba7808602cfd9cf0c7a69d3857b510a22655 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/signum.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/signum.h
@@ -1,5 +1,5 @@
 /* Signal number definitions.  Linux/SPARC version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGNUM_H
 #define _BITS_SIGNUM_H 1
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/sigstack.h b/lib/libc/include/sparcv9-linux-gnu/bits/sigstack.h
index f3029e811af4f17fd44bb52f696dfefcc28c9b6a..7d28d616922ad5dcf502553aae96ff0f5306959b 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/sigstack.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/sigstack.h
@@ -1,5 +1,5 @@
 /* sigstack, sigaltstack definitions.
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGSTACK_H
 #define _BITS_SIGSTACK_H 1
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/socket-constants.h b/lib/libc/include/sparcv9-linux-gnu/bits/socket-constants.h
index 8334fc24e4b6e9485599a4e8004bb26b1c31d83d..94b8e65b3c518001cd24dfc3270cdec788df36ba 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/socket-constants.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/socket-constants.h
@@ -1,5 +1,5 @@
 /* Socket constants which vary among Linux architectures.  Version for SPARC.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/socket_type.h b/lib/libc/include/sparcv9-linux-gnu/bits/socket_type.h
index 411c8e87707c911f1890ab1c61faba5d8985d6d1..d25882e2a0fc0f614309e9f07269484e13edb6a9 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/socket_type.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/socket_type.h
@@ -1,5 +1,5 @@
 /* Define enum __socket_type for Linux/SPARC.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SOCKET_H
 # error "Never include <bits/socket_type.h> directly; use <sys/socket.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/stat.h b/lib/libc/include/sparcv9-linux-gnu/bits/stat.h
index 5330f3a46dafe2b85be76d09411b2c88038c2a64..cf6d4e2b07b57db26ff5523b30339708c450b88d 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/stat.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/struct_rwlock.h b/lib/libc/include/sparcv9-linux-gnu/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..433d1f6f166a4c5f143bf6a259e0f2334bf280a0
--- /dev/null
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/struct_rwlock.h
@@ -0,0 +1,58 @@
+/* SPARC internal rwlock struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _RWLOCK_INTERNAL_H
+#define _RWLOCK_INTERNAL_H
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+#if __WORDSIZE == 64
+  int __cur_writer;
+  int __shared;
+  unsigned long int __pad1;
+  unsigned long int __pad2;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned int __flags;
+#else
+  unsigned char __pad1;
+  unsigned char __pad2;
+  unsigned char __shared;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned char __flags;
+  int __cur_writer;
+#endif
+};
+
+#if __WORDSIZE == 64
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, __flags
+#else
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, 0, __flags, 0
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/termios-baud.h b/lib/libc/include/sparcv9-linux-gnu/bits/termios-baud.h
index 5fb05af14ad7b14d005f0e7c166f15751f1ca089..9cb0c1f770d8665bdef88988915e4376b09dfd7c 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/termios-baud.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/termios-baud.h
@@ -1,5 +1,5 @@
 /* termios baud rate selection definitions.  Linux/sparc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-baud.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/termios-c_cc.h b/lib/libc/include/sparcv9-linux-gnu/bits/termios-c_cc.h
index 03bf3dc37d9ab92335ccc5474a977b3aedcd0e6c..ba7e520eaddf262f5cd5182ecd722b381961047c 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/termios-c_cc.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/termios-c_cc.h
@@ -1,5 +1,5 @@
 /* termios c_cc symbolic constant definitions.  Linux/sparc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_cc.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/termios-c_oflag.h b/lib/libc/include/sparcv9-linux-gnu/bits/termios-c_oflag.h
index fb2d8d1e16971fe9ca46d01d44e41c0984f20e0e..05e6b5471032dd7cc490c917fed200629db1fddd 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/termios-c_oflag.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/termios-c_oflag.h
@@ -1,5 +1,5 @@
 /* termios output mode definitions.  Linux/sparc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-c_oflag.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/termios-struct.h b/lib/libc/include/sparcv9-linux-gnu/bits/termios-struct.h
index c76457619c05d5ecd7fbe6227badb657686d188b..2cb8e1c88f65deba0df3012c9a7976b0dc96f11f 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/termios-struct.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/termios-struct.h
@@ -1,5 +1,5 @@
 /* struct termios definition.  Linux/sparc version.
-   Copyright (C) 2019 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios-struct.h> directly; use <termios.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/timerfd.h b/lib/libc/include/sparcv9-linux-gnu/bits/timerfd.h
index e858253959e7135917fcf31e1c8fcb6216e3dfe6..411ed5208b54c6795d8c85caba9e77d2d7521a85 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/timerfd.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/timerfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_TIMERFD_H
 # error "Never use <bits/timerfd.h> directly; include <sys/timerfd.h> instead."
diff --git a/lib/libc/include/sparcv9-linux-gnu/bits/typesizes.h b/lib/libc/include/sparcv9-linux-gnu/bits/typesizes.h
index ac12c705b9ae4ecaf2c8d6e53a1ede58045860f7..123acf7d25a050fecb49e1ca99e3e8cef794b839 100644
--- a/lib/libc/include/sparcv9-linux-gnu/bits/typesizes.h
+++ b/lib/libc/include/sparcv9-linux-gnu/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Linux/SPARC version.
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -72,8 +72,13 @@
 
 /* And for __rlim_t and __rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
+
+# define __STATFS_MATCHES_STATFS64  0
 #endif
 
 /* Number of descriptors that can fit in an `fd_set'.  */
diff --git a/lib/libc/include/sparcv9-linux-gnu/fpu_control.h b/lib/libc/include/sparcv9-linux-gnu/fpu_control.h
index 5456801580fead6ee1d946249cc9bba9b8c46cd0..40690b5bf72ede9efac4bbd37e2d9b693e688133 100644
--- a/lib/libc/include/sparcv9-linux-gnu/fpu_control.h
+++ b/lib/libc/include/sparcv9-linux-gnu/fpu_control.h
@@ -1,5 +1,5 @@
 /* FPU control word bits.  SPARC version.
-   Copyright (C) 1997-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Miguel de Icaza
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H	1
diff --git a/lib/libc/include/sparcv9-linux-gnu/ieee754.h b/lib/libc/include/sparcv9-linux-gnu/ieee754.h
index e347e4a6e5a36c408ea12ee78ef6652b4538f183..63fa9c5fce55fe7d0e8c9be919b20e89c0b466a4 100644
--- a/lib/libc/include/sparcv9-linux-gnu/ieee754.h
+++ b/lib/libc/include/sparcv9-linux-gnu/ieee754.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,14 +13,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
diff --git a/lib/libc/include/sparcv9-linux-gnu/sys/ptrace.h b/lib/libc/include/sparcv9-linux-gnu/sys/ptrace.h
index c64858789aaab2967deee4e1a72ffb50c11a5714..4f7fe458c25332e76f53ffa12fb12bc7e269c3bf 100644
--- a/lib/libc/include/sparcv9-linux-gnu/sys/ptrace.h
+++ b/lib/libc/include/sparcv9-linux-gnu/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/SPARC version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PTRACE_H
 #define _SYS_PTRACE_H	1
@@ -217,8 +217,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/sparcv9-linux-gnu/sys/ucontext.h b/lib/libc/include/sparcv9-linux-gnu/sys/ucontext.h
index ce917b46da1ea61bcbdc305df34d5b7165cdf40d..7d658646622206713b9a665186fab64921ad50c3 100644
--- a/lib/libc/include/sparcv9-linux-gnu/sys/ucontext.h
+++ b/lib/libc/include/sparcv9-linux-gnu/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_UCONTEXT_H
 #define _SYS_UCONTEXT_H	1
diff --git a/lib/libc/include/sparcv9-linux-gnu/sys/user.h b/lib/libc/include/sparcv9-linux-gnu/sys/user.h
index 142047ab1b9e3cd376adb12f1a0c495838fc9e40..574a9a011c68a151251132ec7806d941ba105462 100644
--- a/lib/libc/include/sparcv9-linux-gnu/sys/user.h
+++ b/lib/libc/include/sparcv9-linux-gnu/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2003-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 #define _SYS_USER_H	1
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/endian.h b/lib/libc/include/x86_64-linux-gnu/bits/endian.h
deleted file mode 100644
index 35c898d0ec3075f6d2e0baa99be7c590e71e5d7d..0000000000000000000000000000000000000000
--- a/lib/libc/include/x86_64-linux-gnu/bits/endian.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* i386/x86_64 are little-endian.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
\ No newline at end of file
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/endianness.h b/lib/libc/include/x86_64-linux-gnu/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..80180b782e3b603bfd65bb9a42ca99beda21a318
--- /dev/null
+++ b/lib/libc/include/x86_64-linux-gnu/bits/endianness.h
@@ -0,0 +1,11 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* i386/x86_64 are little-endian.  */
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/environments.h b/lib/libc/include/x86_64-linux-gnu/bits/environments.h
index 76f12fe0856ba99d62feb148a08e60c253c95ab7..2b18837e58a641848659e6b551f24a3a0bf2d385 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/environments.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UNISTD_H
 # error "Never include this file directly.  Use <unistd.h> instead"
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/epoll.h b/lib/libc/include/x86_64-linux-gnu/bits/epoll.h
index 205d42ad63560093cf27f4abf6a8cfb114fbe652..5f23749272c7bd84cd4f0fb705a00d8eb2044279 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/epoll.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/epoll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EPOLL_H
 # error "Never use <bits/epoll.h> directly; include <sys/epoll.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/fcntl.h b/lib/libc/include/x86_64-linux-gnu/bits/fcntl.h
index d3229a67827d65c25df3559bcdc015b59a51f37f..4eb8fa0b6f338159e12215578ac44803747f5b1d 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/fcntl.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/x86.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/fenv.h b/lib/libc/include/x86_64-linux-gnu/bits/fenv.h
index 74151486b4f2b40fe90d822dea7e63232e80abca..3164b635560889285cfab5236aaa3433af9d1785 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/fenv.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -101,7 +101,7 @@ fenv_t;
 # define FE_NOMASK_ENV	((const fenv_t *) -2)
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef struct
   {
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/floatn.h b/lib/libc/include/x86_64-linux-gnu/bits/floatn.h
index 1d7ba69ea85aefd304de6f5b986f82cdb970e9fe..36d64c23ec484a8fe6464032200c982837d7cd22 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/floatn.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features on x86.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_H
 #define _BITS_FLOATN_H
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/flt-eval-method.h b/lib/libc/include/x86_64-linux-gnu/bits/flt-eval-method.h
index 87e06c435452453d8365f95f59dabc14c6b67ac4..9da03078977e07c643372def0b83a6e6f13a3dbc 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/flt-eval-method.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/flt-eval-method.h
@@ -1,5 +1,5 @@
 /* Define __GLIBC_FLT_EVAL_METHOD.  x86 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/flt-eval-method.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/fp-logb.h b/lib/libc/include/x86_64-linux-gnu/bits/fp-logb.h
index f3e55ea50cd400411291f9b63da0535e5741ee61..5f2e2a9f8850f3224e5e643067be20c05a8bcd97 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/fp-logb.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/fp-logb.h
@@ -1,5 +1,5 @@
 /* Define __FP_LOGB0_IS_MIN and __FP_LOGBNAN_IS_MIN.  x86 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/fp-logb.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/indirect-return.h b/lib/libc/include/x86_64-linux-gnu/bits/indirect-return.h
index fd170e8a4236d57c8ff47dd760a7cd383eb9b88d..e74139721c68adc5c8eaf3b2854ebcf110fa22f0 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/indirect-return.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/indirect-return.h
@@ -1,5 +1,5 @@
 /* Definition of __INDIRECT_RETURN.  x86 version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UCONTEXT_H
 # error "Never include <bits/indirect-return.h> directly; use <ucontext.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/ipctypes.h b/lib/libc/include/x86_64-linux-gnu/bits/ipctypes.h
index 2b471d1e5238a522bc3fc43194735e41730dabb4..7f6bb7662d08af7cecb49ad73c8394297ce8a25d 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/ipctypes.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/ipctypes.h
@@ -1,5 +1,5 @@
 /* bits/ipctypes.h -- Define some types used by SysV IPC/MSG/SHM.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IPC_H
 # error "Never use <bits/ipctypes.h> directly; include <sys/ipc.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/iscanonical.h b/lib/libc/include/x86_64-linux-gnu/bits/iscanonical.h
index 1fa01edaad548f4723e080b2fa9ee6370d019624..ee0d8720f934365769482184c45f1a2d481412de 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/iscanonical.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/iscanonical.h
@@ -1,5 +1,5 @@
 /* Define iscanonical macro.  ldbl-96 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/iscanonical.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/link.h b/lib/libc/include/x86_64-linux-gnu/bits/link.h
index 2724980f6b33e88678e65794e5cb37d2e17409e9..68938e8e0c807ab4e4d018f78d835e12bd816cca 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/link.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/link.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/long-double.h b/lib/libc/include/x86_64-linux-gnu/bits/long-double.h
index 6a582416cf264fa8ce7306a847eebc94da2e15fb..a7bd8fb163d0c252d26c3a1e39c5db7ecc1cc7a1 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/long-double.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.  ldbl-96 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,8 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* long double is distinct from double, so there is nothing to
-   define here.  */
\ No newline at end of file
+   define here.  */
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/math-vector.h b/lib/libc/include/x86_64-linux-gnu/bits/math-vector.h
index 67e2c8aea8609450d3cb41d314bb945b9fad3398..f7571e827d1045a607a25caf9a6130777722e17a 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/math-vector.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/math-vector.h
@@ -1,5 +1,5 @@
 /* Platform-specific SIMD declarations of math functions.
-   Copyright (C) 2014-2019 Free Software Foundation, Inc.
+   Copyright (C) 2014-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never include <bits/math-vector.h> directly;\
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/mman.h b/lib/libc/include/x86_64-linux-gnu/bits/mman.h
index 90f3588b6e77b9ef54f4f6bf728321e82716588b..4319c54436d42936060aa95d8f9aeb0f0a86f7ae 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/mman.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/x86_64 version.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/procfs-id.h b/lib/libc/include/x86_64-linux-gnu/bits/procfs-id.h
index 79f85bfd4446996119f7e556c489cf8b32274d9e..4f4cefeb4bc278b1f912ee805deebfaa28708e76 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/procfs-id.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/procfs-id.h
@@ -1,5 +1,5 @@
 /* Types of pr_uid and pr_gid in struct elf_prpsinfo.  x86 version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-id.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/procfs.h b/lib/libc/include/x86_64-linux-gnu/bits/procfs.h
index ea3cbfe1be77b03f6f1a2a58e4925f3638b15fd7..1f4ca5a0f0205324d04d267c3dfddf0a759e55a2 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/procfs.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  x86 version.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h b/lib/libc/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h
index 7c5701b0b801d3cdfea3082508e78ffa7d6243fb..147ce690db4d045dfe7918b67fdcec7a050a8b74 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_ARCH_H
 #define _BITS_PTHREADTYPES_ARCH_H	1
@@ -24,20 +24,17 @@
 # if __WORDSIZE == 64
 #  define __SIZEOF_PTHREAD_MUTEX_T 40
 #  define __SIZEOF_PTHREAD_ATTR_T 56
-#  define __SIZEOF_PTHREAD_MUTEX_T 40
 #  define __SIZEOF_PTHREAD_RWLOCK_T 56
 #  define __SIZEOF_PTHREAD_BARRIER_T 32
 # else
 #  define __SIZEOF_PTHREAD_MUTEX_T 32
 #  define __SIZEOF_PTHREAD_ATTR_T 32
-#  define __SIZEOF_PTHREAD_MUTEX_T 32
 #  define __SIZEOF_PTHREAD_RWLOCK_T 44
 #  define __SIZEOF_PTHREAD_BARRIER_T 20
 # endif
 #else
 # define __SIZEOF_PTHREAD_MUTEX_T 24
 # define __SIZEOF_PTHREAD_ATTR_T 36
-# define __SIZEOF_PTHREAD_MUTEX_T 24
 # define __SIZEOF_PTHREAD_RWLOCK_T 32
 # define __SIZEOF_PTHREAD_BARRIER_T 20
 #endif
@@ -47,57 +44,9 @@
 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
 
-/* Definitions for internal mutex struct.  */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    1
-#ifdef __x86_64__
-# define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  0
-# define __PTHREAD_MUTEX_USE_UNION          0
-#else
-# define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  1
-# define __PTHREAD_MUTEX_USE_UNION          1
-#endif
-
 #define __LOCK_ALIGNMENT
 #define __ONCE_ALIGNMENT
 
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#ifdef __x86_64__
-  int __cur_writer;
-  int __shared;
-  signed char __rwelision;
-# ifdef  __ILP32__
-  unsigned char __pad1[3];
-#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0 }
-# else
-  unsigned char __pad1[7];
-#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0, 0, 0, 0, 0 }
-# endif
-  unsigned long int __pad2;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned int __flags;
-# define __PTHREAD_RWLOCK_INT_FLAGS_SHARED	1
-#else
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  unsigned char __shared;
-  signed char __rwelision;
-# define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-  unsigned char __pad2;
-  int __cur_writer;
-#endif
-};
-
 #ifndef __x86_64__
 /* Extra attributes for the cleanup functions.  */
 # define __cleanup_fct_attribute __attribute__ ((__regparm__ (1)))
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/select.h b/lib/libc/include/x86_64-linux-gnu/bits/select.h
index 24d5067c62be6b60c94310f029ea020115c6bcef..959d99826630685792eccff0ede7c1bf62919f9c 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/select.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/select.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SELECT_H
 # error "Never use <bits/select.h> directly; include <sys/select.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/sem-pad.h b/lib/libc/include/x86_64-linux-gnu/bits/sem-pad.h
index bd8df25acefa8bd94c66b81174f8cb150e84d321..10534c61cf8b6e89c3d8c070398777ba550014dd 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/sem-pad.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  x86 version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/semaphore.h b/lib/libc/include/x86_64-linux-gnu/bits/semaphore.h
index c5733e31f49e347ccb2e38548af90d723360e850..7f41d9a8807eace74d7d69ab0fdc5d0fab519f8e 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/semaphore.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/semaphore.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/setjmp.h b/lib/libc/include/x86_64-linux-gnu/bits/setjmp.h
index aec176f8d2add5080fb74f50797b8622ebf73241..18d620397d9205aef71a15b2a878812f066511b7 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/setjmp.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Define the machine-dependent type `jmp_buf'.  x86-64 version.  */
 #ifndef _BITS_SETJMP_H
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/sigcontext.h b/lib/libc/include/x86_64-linux-gnu/bits/sigcontext.h
index 481a8a7bb5c445895449ba8a58d830c2f48809e7..7498f87f91aa8ab028a97e16e89607e65ed0a357 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/sigcontext.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/sigcontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGCONTEXT_H
 #define _BITS_SIGCONTEXT_H  1
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/stat.h b/lib/libc/include/x86_64-linux-gnu/bits/stat.h
index ee7f88c4631342e807f55480bb8c4a48a4dae266..ab5378300ade4c5b104a3bbe79cb6907cd21e949 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/stat.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/struct_mutex.h b/lib/libc/include/x86_64-linux-gnu/bits/struct_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..44273158be80e28abfc6f1d2985c2073cf4d8104
--- /dev/null
+++ b/lib/libc/include/x86_64-linux-gnu/bits/struct_mutex.h
@@ -0,0 +1,63 @@
+/* x86 internal mutex struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_MUTEX_INTERNAL_H
+#define _THREAD_MUTEX_INTERNAL_H 1
+
+struct __pthread_mutex_s
+{
+  int __lock;
+  unsigned int __count;
+  int __owner;
+#ifdef __x86_64__
+  unsigned int __nusers;
+#endif
+  /* KIND must stay at this position in the structure to maintain
+     binary compatibility with static initializers.  */
+  int __kind;
+#ifdef __x86_64__
+  short __spins;
+  short __elision;
+  __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV      1
+#else
+  unsigned int __nusers;
+  __extension__ union
+  {
+    struct
+    {
+      short __espins;
+      short __eelision;
+# define __spins __elision_data.__espins
+# define __elision __elision_data.__eelision
+    } __elision_data;
+    __pthread_slist_t __list;
+  };
+# define __PTHREAD_MUTEX_HAVE_PREV      0
+#endif
+};
+
+#ifdef __x86_64__
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, 0, __kind, 0, 0, { 0, 0 }
+#else
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, __kind, 0, { { 0, 0 } }
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/struct_rwlock.h b/lib/libc/include/x86_64-linux-gnu/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..863b185dc958c537e0d2464770fd5e728b351879
--- /dev/null
+++ b/lib/libc/include/x86_64-linux-gnu/bits/struct_rwlock.h
@@ -0,0 +1,65 @@
+/* x86 internal rwlock struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _RWLOCK_INTERNAL_H
+#define _RWLOCK_INTERNAL_H
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+#ifdef __x86_64__
+  int __cur_writer;
+  int __shared;
+  signed char __rwelision;
+# ifdef  __ILP32__
+  unsigned char __pad1[3];
+#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0 }
+# else
+  unsigned char __pad1[7];
+#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0, 0, 0, 0, 0 }
+# endif
+  unsigned long int __pad2;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned int __flags;
+#else /* __x86_64__  */
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned char __flags;
+  unsigned char __shared;
+  signed char __rwelision;
+  unsigned char __pad2;
+  int __cur_writer;
+#endif
+};
+
+#ifdef __x86_64__
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, __flags
+#else
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, __flags, 0, 0, 0, 0
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/sysctl.h b/lib/libc/include/x86_64-linux-gnu/bits/sysctl.h
index 6b291999097f434cc841ccfc8fc0307bd8072ebb..5e2b946cdf2d355974e3b80127d1948c73f4aa1c 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/sysctl.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/sysctl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2012-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if defined __x86_64__ && defined __ILP32__
 # error "sysctl system call is unsupported in x32 kernel"
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/timesize.h b/lib/libc/include/x86_64-linux-gnu/bits/timesize.h
index 48fb55523494c7072badfa766e5a053b0fe42f0d..ae0a502d0dcedf76fe6c75e9ce2e9c859fd955ef 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/timesize.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/timesize.h
@@ -1,5 +1,5 @@
 /* Bit size of the time_t type at glibc build time, x86-64 and x32 case.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if defined __x86_64__ && defined __ILP32__
 /* For x32, time is 64-bit even though word size is 32-bit.  */
diff --git a/lib/libc/include/x86_64-linux-gnu/bits/typesizes.h b/lib/libc/include/x86_64-linux-gnu/bits/typesizes.h
index 7c14f5d7f84cdd2cf10e9ee52f3a1f7feb244b3c..7ad60c3f43adb9ee8b58eadea95575bb1ee7c677 100644
--- a/lib/libc/include/x86_64-linux-gnu/bits/typesizes.h
+++ b/lib/libc/include/x86_64-linux-gnu/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Linux/x86-64 version.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -84,8 +84,13 @@
 
 /* And for __rlim_t and __rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
+
+# define __STATFS_MATCHES_STATFS64  0
 #endif
 
 /* Number of descriptors that can fit in an `fd_set'.  */
diff --git a/lib/libc/include/x86_64-linux-gnu/finclude/math-vector-fortran.h b/lib/libc/include/x86_64-linux-gnu/finclude/math-vector-fortran.h
index fc3aa3e3b2c73dcde44b9e1ecb2eb15a3ddf2dac..c56f5fc16f1d7507f2010455d47a13a1b3c7c97c 100644
--- a/lib/libc/include/x86_64-linux-gnu/finclude/math-vector-fortran.h
+++ b/lib/libc/include/x86_64-linux-gnu/finclude/math-vector-fortran.h
@@ -1,5 +1,5 @@
 ! Platform-specific declarations of SIMD math functions for Fortran. -*- f90 -*-
-!   Copyright (C) 2019 Free Software Foundation, Inc.
+!   Copyright (C) 2019-2020 Free Software Foundation, Inc.
 !   This file is part of the GNU C Library.
 !
 !   The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 !
 !   You should have received a copy of the GNU Lesser General Public
 !   License along with the GNU C Library; if not, see
-!   <http://www.gnu.org/licenses/>.
+!   <https://www.gnu.org/licenses/>.
 
 !GCC$ builtin (cos) attributes simd (notinbranch) if('x86_64')
 !GCC$ builtin (cosf) attributes simd (notinbranch) if('x86_64')
diff --git a/lib/libc/include/x86_64-linux-gnu/fpu_control.h b/lib/libc/include/x86_64-linux-gnu/fpu_control.h
index 1c064507781ae94174782939445312305d46bade..fa0a8619234847498fe5541e4d52ce2cbf2c2916 100644
--- a/lib/libc/include/x86_64-linux-gnu/fpu_control.h
+++ b/lib/libc/include/x86_64-linux-gnu/fpu_control.h
@@ -1,5 +1,5 @@
 /* FPU control word bits.  x86 version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Olaf Flebbe.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H	1
diff --git a/lib/libc/include/x86_64-linux-gnu/sys/elf.h b/lib/libc/include/x86_64-linux-gnu/sys/elf.h
index d8c2c7acc8d8f2a5b1c080b68f12a782400b2aae..d37502689d98be64474545ed93a5aed887e6ee7d 100644
--- a/lib/libc/include/x86_64-linux-gnu/sys/elf.h
+++ b/lib/libc/include/x86_64-linux-gnu/sys/elf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_ELF_H
 #define _SYS_ELF_H	1
diff --git a/lib/libc/include/x86_64-linux-gnu/sys/ptrace.h b/lib/libc/include/x86_64-linux-gnu/sys/ptrace.h
index 1f6c5b50fd9b84edfba0a85d1ead28e8a1c75569..0977a402d72e91772ffc8e0228324cdb78c55e4c 100644
--- a/lib/libc/include/x86_64-linux-gnu/sys/ptrace.h
+++ b/lib/libc/include/x86_64-linux-gnu/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/x86 version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PTRACE_H
 #define _SYS_PTRACE_H	1
@@ -186,8 +186,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/x86_64-linux-gnu/sys/ucontext.h b/lib/libc/include/x86_64-linux-gnu/sys/ucontext.h
index 2127a222a948a8f926e7ffa80c031ed01e8f1490..3244eab7c89dd3dd1d75518bce4118551d5b203a 100644
--- a/lib/libc/include/x86_64-linux-gnu/sys/ucontext.h
+++ b/lib/libc/include/x86_64-linux-gnu/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_UCONTEXT_H
 #define _SYS_UCONTEXT_H	1
diff --git a/lib/libc/include/x86_64-linux-gnu/sys/user.h b/lib/libc/include/x86_64-linux-gnu/sys/user.h
index 74bd6e393affefb9241045ca9f17e7923c402ce8..fe9d8757895bed53e06b1b4878e4b23dae4efac1 100644
--- a/lib/libc/include/x86_64-linux-gnu/sys/user.h
+++ b/lib/libc/include/x86_64-linux-gnu/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 #define _SYS_USER_H	1
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/endian.h b/lib/libc/include/x86_64-linux-gnux32/bits/endian.h
deleted file mode 100644
index 35c898d0ec3075f6d2e0baa99be7c590e71e5d7d..0000000000000000000000000000000000000000
--- a/lib/libc/include/x86_64-linux-gnux32/bits/endian.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* i386/x86_64 are little-endian.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
\ No newline at end of file
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/endianness.h b/lib/libc/include/x86_64-linux-gnux32/bits/endianness.h
new file mode 100644
index 0000000000000000000000000000000000000000..80180b782e3b603bfd65bb9a42ca99beda21a318
--- /dev/null
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/endianness.h
@@ -0,0 +1,11 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* i386/x86_64 are little-endian.  */
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/environments.h b/lib/libc/include/x86_64-linux-gnux32/bits/environments.h
index 76f12fe0856ba99d62feb148a08e60c253c95ab7..2b18837e58a641848659e6b551f24a3a0bf2d385 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/environments.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UNISTD_H
 # error "Never include this file directly.  Use <unistd.h> instead"
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/epoll.h b/lib/libc/include/x86_64-linux-gnux32/bits/epoll.h
index 205d42ad63560093cf27f4abf6a8cfb114fbe652..5f23749272c7bd84cd4f0fb705a00d8eb2044279 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/epoll.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/epoll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_SYS_EPOLL_H
 # error "Never use <bits/epoll.h> directly; include <sys/epoll.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/fcntl.h b/lib/libc/include/x86_64-linux-gnux32/bits/fcntl.h
index d3229a67827d65c25df3559bcdc015b59a51f37f..4eb8fa0b6f338159e12215578ac44803747f5b1d 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/fcntl.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/x86.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/fenv.h b/lib/libc/include/x86_64-linux-gnux32/bits/fenv.h
index 74151486b4f2b40fe90d822dea7e63232e80abca..3164b635560889285cfab5236aaa3433af9d1785 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/fenv.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -101,7 +101,7 @@ fenv_t;
 # define FE_NOMASK_ENV	((const fenv_t *) -2)
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 /* Type representing floating-point control modes.  */
 typedef struct
   {
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/floatn.h b/lib/libc/include/x86_64-linux-gnux32/bits/floatn.h
index 1d7ba69ea85aefd304de6f5b986f82cdb970e9fe..36d64c23ec484a8fe6464032200c982837d7cd22 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/floatn.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/floatn.h
@@ -1,5 +1,5 @@
 /* Macros to control TS 18661-3 glibc features on x86.
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_FLOATN_H
 #define _BITS_FLOATN_H
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/flt-eval-method.h b/lib/libc/include/x86_64-linux-gnux32/bits/flt-eval-method.h
index 87e06c435452453d8365f95f59dabc14c6b67ac4..9da03078977e07c643372def0b83a6e6f13a3dbc 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/flt-eval-method.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/flt-eval-method.h
@@ -1,5 +1,5 @@
 /* Define __GLIBC_FLT_EVAL_METHOD.  x86 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/flt-eval-method.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/fp-logb.h b/lib/libc/include/x86_64-linux-gnux32/bits/fp-logb.h
index f3e55ea50cd400411291f9b63da0535e5741ee61..5f2e2a9f8850f3224e5e643067be20c05a8bcd97 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/fp-logb.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/fp-logb.h
@@ -1,5 +1,5 @@
 /* Define __FP_LOGB0_IS_MIN and __FP_LOGBNAN_IS_MIN.  x86 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/fp-logb.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/indirect-return.h b/lib/libc/include/x86_64-linux-gnux32/bits/indirect-return.h
index fd170e8a4236d57c8ff47dd760a7cd383eb9b88d..e74139721c68adc5c8eaf3b2854ebcf110fa22f0 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/indirect-return.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/indirect-return.h
@@ -1,5 +1,5 @@
 /* Definition of __INDIRECT_RETURN.  x86 version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _UCONTEXT_H
 # error "Never include <bits/indirect-return.h> directly; use <ucontext.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/ipctypes.h b/lib/libc/include/x86_64-linux-gnux32/bits/ipctypes.h
index 2b471d1e5238a522bc3fc43194735e41730dabb4..7f6bb7662d08af7cecb49ad73c8394297ce8a25d 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/ipctypes.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/ipctypes.h
@@ -1,5 +1,5 @@
 /* bits/ipctypes.h -- Define some types used by SysV IPC/MSG/SHM.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_IPC_H
 # error "Never use <bits/ipctypes.h> directly; include <sys/ipc.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/iscanonical.h b/lib/libc/include/x86_64-linux-gnux32/bits/iscanonical.h
index 1fa01edaad548f4723e080b2fa9ee6370d019624..ee0d8720f934365769482184c45f1a2d481412de 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/iscanonical.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/iscanonical.h
@@ -1,5 +1,5 @@
 /* Define iscanonical macro.  ldbl-96 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/iscanonical.h> directly; include <math.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/link.h b/lib/libc/include/x86_64-linux-gnux32/bits/link.h
index 2724980f6b33e88678e65794e5cb37d2e17409e9..68938e8e0c807ab4e4d018f78d835e12bd816cca 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/link.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/link.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef	_LINK_H
 # error "Never include <bits/link.h> directly; use <link.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/long-double.h b/lib/libc/include/x86_64-linux-gnux32/bits/long-double.h
index 6a582416cf264fa8ce7306a847eebc94da2e15fb..a7bd8fb163d0c252d26c3a1e39c5db7ecc1cc7a1 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/long-double.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/long-double.h
@@ -1,5 +1,5 @@
 /* Properties of long double type.  ldbl-96 version.
-   Copyright (C) 2016-2019 Free Software Foundation, Inc.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,8 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* long double is distinct from double, so there is nothing to
-   define here.  */
\ No newline at end of file
+   define here.  */
+#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/math-vector.h b/lib/libc/include/x86_64-linux-gnux32/bits/math-vector.h
index 67e2c8aea8609450d3cb41d314bb945b9fad3398..f7571e827d1045a607a25caf9a6130777722e17a 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/math-vector.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/math-vector.h
@@ -1,5 +1,5 @@
 /* Platform-specific SIMD declarations of math functions.
-   Copyright (C) 2014-2019 Free Software Foundation, Inc.
+   Copyright (C) 2014-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _MATH_H
 # error "Never include <bits/math-vector.h> directly;\
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/mman.h b/lib/libc/include/x86_64-linux-gnux32/bits/mman.h
index 90f3588b6e77b9ef54f4f6bf728321e82716588b..4319c54436d42936060aa95d8f9aeb0f0a86f7ae 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/mman.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/x86_64 version.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/procfs-id.h b/lib/libc/include/x86_64-linux-gnux32/bits/procfs-id.h
index 79f85bfd4446996119f7e556c489cf8b32274d9e..4f4cefeb4bc278b1f912ee805deebfaa28708e76 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/procfs-id.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/procfs-id.h
@@ -1,5 +1,5 @@
 /* Types of pr_uid and pr_gid in struct elf_prpsinfo.  x86 version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs-id.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/procfs.h b/lib/libc/include/x86_64-linux-gnux32/bits/procfs.h
index ea3cbfe1be77b03f6f1a2a58e4925f3638b15fd7..1f4ca5a0f0205324d04d267c3dfddf0a759e55a2 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/procfs.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/procfs.h
@@ -1,5 +1,5 @@
 /* Types for registers for sys/procfs.h.  x86 version.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PROCFS_H
 # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/pthreadtypes-arch.h b/lib/libc/include/x86_64-linux-gnux32/bits/pthreadtypes-arch.h
index 7c5701b0b801d3cdfea3082508e78ffa7d6243fb..147ce690db4d045dfe7918b67fdcec7a050a8b74 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/pthreadtypes-arch.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/pthreadtypes-arch.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_PTHREADTYPES_ARCH_H
 #define _BITS_PTHREADTYPES_ARCH_H	1
@@ -24,20 +24,17 @@
 # if __WORDSIZE == 64
 #  define __SIZEOF_PTHREAD_MUTEX_T 40
 #  define __SIZEOF_PTHREAD_ATTR_T 56
-#  define __SIZEOF_PTHREAD_MUTEX_T 40
 #  define __SIZEOF_PTHREAD_RWLOCK_T 56
 #  define __SIZEOF_PTHREAD_BARRIER_T 32
 # else
 #  define __SIZEOF_PTHREAD_MUTEX_T 32
 #  define __SIZEOF_PTHREAD_ATTR_T 32
-#  define __SIZEOF_PTHREAD_MUTEX_T 32
 #  define __SIZEOF_PTHREAD_RWLOCK_T 44
 #  define __SIZEOF_PTHREAD_BARRIER_T 20
 # endif
 #else
 # define __SIZEOF_PTHREAD_MUTEX_T 24
 # define __SIZEOF_PTHREAD_ATTR_T 36
-# define __SIZEOF_PTHREAD_MUTEX_T 24
 # define __SIZEOF_PTHREAD_RWLOCK_T 32
 # define __SIZEOF_PTHREAD_BARRIER_T 20
 #endif
@@ -47,57 +44,9 @@
 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
 
-/* Definitions for internal mutex struct.  */
-#define __PTHREAD_COMPAT_PADDING_MID
-#define __PTHREAD_COMPAT_PADDING_END
-#define __PTHREAD_MUTEX_LOCK_ELISION    1
-#ifdef __x86_64__
-# define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  0
-# define __PTHREAD_MUTEX_USE_UNION          0
-#else
-# define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  1
-# define __PTHREAD_MUTEX_USE_UNION          1
-#endif
-
 #define __LOCK_ALIGNMENT
 #define __ONCE_ALIGNMENT
 
-struct __pthread_rwlock_arch_t
-{
-  unsigned int __readers;
-  unsigned int __writers;
-  unsigned int __wrphase_futex;
-  unsigned int __writers_futex;
-  unsigned int __pad3;
-  unsigned int __pad4;
-#ifdef __x86_64__
-  int __cur_writer;
-  int __shared;
-  signed char __rwelision;
-# ifdef  __ILP32__
-  unsigned char __pad1[3];
-#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0 }
-# else
-  unsigned char __pad1[7];
-#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0, 0, 0, 0, 0 }
-# endif
-  unsigned long int __pad2;
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned int __flags;
-# define __PTHREAD_RWLOCK_INT_FLAGS_SHARED	1
-#else
-  /* FLAGS must stay at this position in the structure to maintain
-     binary compatibility.  */
-  unsigned char __flags;
-  unsigned char __shared;
-  signed char __rwelision;
-# define __PTHREAD_RWLOCK_ELISION_EXTRA 0
-  unsigned char __pad2;
-  int __cur_writer;
-#endif
-};
-
 #ifndef __x86_64__
 /* Extra attributes for the cleanup functions.  */
 # define __cleanup_fct_attribute __attribute__ ((__regparm__ (1)))
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/select.h b/lib/libc/include/x86_64-linux-gnux32/bits/select.h
index 24d5067c62be6b60c94310f029ea020115c6bcef..959d99826630685792eccff0ede7c1bf62919f9c 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/select.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/select.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SELECT_H
 # error "Never use <bits/select.h> directly; include <sys/select.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/sem-pad.h b/lib/libc/include/x86_64-linux-gnux32/bits/sem-pad.h
index bd8df25acefa8bd94c66b81174f8cb150e84d321..10534c61cf8b6e89c3d8c070398777ba550014dd 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/sem-pad.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/sem-pad.h
@@ -1,5 +1,5 @@
 /* Define where padding goes in struct semid_ds.  x86 version.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
 # error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/semaphore.h b/lib/libc/include/x86_64-linux-gnux32/bits/semaphore.h
index c5733e31f49e347ccb2e38548af90d723360e850..7f41d9a8807eace74d7d69ab0fdc5d0fab519f8e 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/semaphore.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/semaphore.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SEMAPHORE_H
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/setjmp.h b/lib/libc/include/x86_64-linux-gnux32/bits/setjmp.h
index aec176f8d2add5080fb74f50797b8622ebf73241..18d620397d9205aef71a15b2a878812f066511b7 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/setjmp.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* Define the machine-dependent type `jmp_buf'.  x86-64 version.  */
 #ifndef _BITS_SETJMP_H
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/sigcontext.h b/lib/libc/include/x86_64-linux-gnux32/bits/sigcontext.h
index 481a8a7bb5c445895449ba8a58d830c2f48809e7..7498f87f91aa8ab028a97e16e89607e65ed0a357 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/sigcontext.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/sigcontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_SIGCONTEXT_H
 #define _BITS_SIGCONTEXT_H  1
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/stat.h b/lib/libc/include/x86_64-linux-gnux32/bits/stat.h
index ee7f88c4631342e807f55480bb8c4a48a4dae266..ab5378300ade4c5b104a3bbe79cb6907cd21e949 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/stat.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if !defined _SYS_STAT_H && !defined _FCNTL_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/struct_mutex.h b/lib/libc/include/x86_64-linux-gnux32/bits/struct_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..44273158be80e28abfc6f1d2985c2073cf4d8104
--- /dev/null
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/struct_mutex.h
@@ -0,0 +1,63 @@
+/* x86 internal mutex struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _THREAD_MUTEX_INTERNAL_H
+#define _THREAD_MUTEX_INTERNAL_H 1
+
+struct __pthread_mutex_s
+{
+  int __lock;
+  unsigned int __count;
+  int __owner;
+#ifdef __x86_64__
+  unsigned int __nusers;
+#endif
+  /* KIND must stay at this position in the structure to maintain
+     binary compatibility with static initializers.  */
+  int __kind;
+#ifdef __x86_64__
+  short __spins;
+  short __elision;
+  __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV      1
+#else
+  unsigned int __nusers;
+  __extension__ union
+  {
+    struct
+    {
+      short __espins;
+      short __eelision;
+# define __spins __elision_data.__espins
+# define __elision __elision_data.__eelision
+    } __elision_data;
+    __pthread_slist_t __list;
+  };
+# define __PTHREAD_MUTEX_HAVE_PREV      0
+#endif
+};
+
+#ifdef __x86_64__
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, 0, __kind, 0, 0, { 0, 0 }
+#else
+# define __PTHREAD_MUTEX_INITIALIZER(__kind) \
+  0, 0, 0, __kind, 0, { { 0, 0 } }
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/struct_rwlock.h b/lib/libc/include/x86_64-linux-gnux32/bits/struct_rwlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..863b185dc958c537e0d2464770fd5e728b351879
--- /dev/null
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/struct_rwlock.h
@@ -0,0 +1,65 @@
+/* x86 internal rwlock struct definitions.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _RWLOCK_INTERNAL_H
+#define _RWLOCK_INTERNAL_H
+
+struct __pthread_rwlock_arch_t
+{
+  unsigned int __readers;
+  unsigned int __writers;
+  unsigned int __wrphase_futex;
+  unsigned int __writers_futex;
+  unsigned int __pad3;
+  unsigned int __pad4;
+#ifdef __x86_64__
+  int __cur_writer;
+  int __shared;
+  signed char __rwelision;
+# ifdef  __ILP32__
+  unsigned char __pad1[3];
+#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0 }
+# else
+  unsigned char __pad1[7];
+#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0, 0, 0, 0, 0 }
+# endif
+  unsigned long int __pad2;
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned int __flags;
+#else /* __x86_64__  */
+  /* FLAGS must stay at this position in the structure to maintain
+     binary compatibility.  */
+  unsigned char __flags;
+  unsigned char __shared;
+  signed char __rwelision;
+  unsigned char __pad2;
+  int __cur_writer;
+#endif
+};
+
+#ifdef __x86_64__
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, __flags
+#else
+# define __PTHREAD_RWLOCK_INITIALIZER(__flags) \
+  0, 0, 0, 0, 0, 0, __flags, 0, 0, 0, 0
+#endif
+
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/sysctl.h b/lib/libc/include/x86_64-linux-gnux32/bits/sysctl.h
index 6b291999097f434cc841ccfc8fc0307bd8072ebb..5e2b946cdf2d355974e3b80127d1948c73f4aa1c 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/sysctl.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/sysctl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2012-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if defined __x86_64__ && defined __ILP32__
 # error "sysctl system call is unsupported in x32 kernel"
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/timesize.h b/lib/libc/include/x86_64-linux-gnux32/bits/timesize.h
index 48fb55523494c7072badfa766e5a053b0fe42f0d..ae0a502d0dcedf76fe6c75e9ce2e9c859fd955ef 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/timesize.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/timesize.h
@@ -1,5 +1,5 @@
 /* Bit size of the time_t type at glibc build time, x86-64 and x32 case.
-   Copyright (C) 2018-2019 Free Software Foundation, Inc.
+   Copyright (C) 2018-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #if defined __x86_64__ && defined __ILP32__
 /* For x32, time is 64-bit even though word size is 32-bit.  */
diff --git a/lib/libc/include/x86_64-linux-gnux32/bits/typesizes.h b/lib/libc/include/x86_64-linux-gnux32/bits/typesizes.h
index 7c14f5d7f84cdd2cf10e9ee52f3a1f7feb244b3c..7ad60c3f43adb9ee8b58eadea95575bb1ee7c677 100644
--- a/lib/libc/include/x86_64-linux-gnux32/bits/typesizes.h
+++ b/lib/libc/include/x86_64-linux-gnux32/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Linux/x86-64 version.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _BITS_TYPES_H
 # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
@@ -84,8 +84,13 @@
 
 /* And for __rlim_t and __rlim64_t.  */
 # define __RLIM_T_MATCHES_RLIM64_T	1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
+# define __STATFS_MATCHES_STATFS64  1
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
+
+# define __STATFS_MATCHES_STATFS64  0
 #endif
 
 /* Number of descriptors that can fit in an `fd_set'.  */
diff --git a/lib/libc/include/x86_64-linux-gnux32/finclude/math-vector-fortran.h b/lib/libc/include/x86_64-linux-gnux32/finclude/math-vector-fortran.h
index fc3aa3e3b2c73dcde44b9e1ecb2eb15a3ddf2dac..c56f5fc16f1d7507f2010455d47a13a1b3c7c97c 100644
--- a/lib/libc/include/x86_64-linux-gnux32/finclude/math-vector-fortran.h
+++ b/lib/libc/include/x86_64-linux-gnux32/finclude/math-vector-fortran.h
@@ -1,5 +1,5 @@
 ! Platform-specific declarations of SIMD math functions for Fortran. -*- f90 -*-
-!   Copyright (C) 2019 Free Software Foundation, Inc.
+!   Copyright (C) 2019-2020 Free Software Foundation, Inc.
 !   This file is part of the GNU C Library.
 !
 !   The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
 !
 !   You should have received a copy of the GNU Lesser General Public
 !   License along with the GNU C Library; if not, see
-!   <http://www.gnu.org/licenses/>.
+!   <https://www.gnu.org/licenses/>.
 
 !GCC$ builtin (cos) attributes simd (notinbranch) if('x86_64')
 !GCC$ builtin (cosf) attributes simd (notinbranch) if('x86_64')
diff --git a/lib/libc/include/x86_64-linux-gnux32/fpu_control.h b/lib/libc/include/x86_64-linux-gnux32/fpu_control.h
index 1c064507781ae94174782939445312305d46bade..fa0a8619234847498fe5541e4d52ce2cbf2c2916 100644
--- a/lib/libc/include/x86_64-linux-gnux32/fpu_control.h
+++ b/lib/libc/include/x86_64-linux-gnux32/fpu_control.h
@@ -1,5 +1,5 @@
 /* FPU control word bits.  x86 version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Olaf Flebbe.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H	1
diff --git a/lib/libc/include/x86_64-linux-gnux32/sys/elf.h b/lib/libc/include/x86_64-linux-gnux32/sys/elf.h
index d8c2c7acc8d8f2a5b1c080b68f12a782400b2aae..d37502689d98be64474545ed93a5aed887e6ee7d 100644
--- a/lib/libc/include/x86_64-linux-gnux32/sys/elf.h
+++ b/lib/libc/include/x86_64-linux-gnux32/sys/elf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_ELF_H
 #define _SYS_ELF_H	1
diff --git a/lib/libc/include/x86_64-linux-gnux32/sys/ptrace.h b/lib/libc/include/x86_64-linux-gnux32/sys/ptrace.h
index 1f6c5b50fd9b84edfba0a85d1ead28e8a1c75569..0977a402d72e91772ffc8e0228324cdb78c55e4c 100644
--- a/lib/libc/include/x86_64-linux-gnux32/sys/ptrace.h
+++ b/lib/libc/include/x86_64-linux-gnux32/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/x86 version.
-   Copyright (C) 1996-2019 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_PTRACE_H
 #define _SYS_PTRACE_H	1
@@ -186,8 +186,12 @@ enum __ptrace_request
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 
   /* Get seccomp BPF filter metadata.  */
-  PTRACE_SECCOMP_GET_METADATA = 0x420d
+  PTRACE_SECCOMP_GET_METADATA = 0x420d,
 #define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+
+  /* Get information about system call.  */
+  PTRACE_GET_SYSCALL_INFO = 0x420e
+#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
 };
 
 
diff --git a/lib/libc/include/x86_64-linux-gnux32/sys/ucontext.h b/lib/libc/include/x86_64-linux-gnux32/sys/ucontext.h
index 2127a222a948a8f926e7ffa80c031ed01e8f1490..3244eab7c89dd3dd1d75518bce4118551d5b203a 100644
--- a/lib/libc/include/x86_64-linux-gnux32/sys/ucontext.h
+++ b/lib/libc/include/x86_64-linux-gnux32/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_UCONTEXT_H
 #define _SYS_UCONTEXT_H	1
diff --git a/lib/libc/include/x86_64-linux-gnux32/sys/user.h b/lib/libc/include/x86_64-linux-gnux32/sys/user.h
index 74bd6e393affefb9241045ca9f17e7923c402ce8..fe9d8757895bed53e06b1b4878e4b23dae4efac1 100644
--- a/lib/libc/include/x86_64-linux-gnux32/sys/user.h
+++ b/lib/libc/include/x86_64-linux-gnux32/sys/user.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_USER_H
 #define _SYS_USER_H	1
diff --git a/lib/std/build.zig b/lib/std/build.zig
index ecf39305519722495392b302b649e4d7029937a6..59e6c4e87c1ad1fb31f1e4cc12b56e717621b188 100644
--- a/lib/std/build.zig
+++ b/lib/std/build.zig
@@ -763,7 +763,7 @@ pub const Builder = struct {
     }
 
     pub fn makePath(self: *Builder, path: []const u8) !void {
-        fs.makePath(self.allocator, self.pathFromRoot(path)) catch |err| {
+        fs.cwd().makePath(self.pathFromRoot(path)) catch |err| {
             warn("Unable to create path {}: {}\n", .{ path, @errorName(err) });
             return err;
         };
@@ -2311,7 +2311,7 @@ pub const InstallDirStep = struct {
             const rel_path = entry.path[full_src_dir.len + 1 ..];
             const dest_path = try fs.path.join(self.builder.allocator, &[_][]const u8{ dest_prefix, rel_path });
             switch (entry.kind) {
-                .Directory => try fs.makePath(self.builder.allocator, dest_path),
+                .Directory => try fs.cwd().makePath(dest_path),
                 .File => try self.builder.updateFile(entry.path, dest_path),
                 else => continue,
             }
diff --git a/lib/std/build/emit_raw.zig b/lib/std/build/emit_raw.zig
index 54ceae3263edcfa82cbd0251b271dc4df5b72ee1..44e0227b6ecc23101ded80abfba4500cf9d2b975 100644
--- a/lib/std/build/emit_raw.zig
+++ b/lib/std/build/emit_raw.zig
@@ -213,11 +213,11 @@ pub const InstallRawStep = struct {
     builder: *Builder,
     artifact: *LibExeObjStep,
     dest_dir: InstallDir,
-    dest_filename: [] const u8,
+    dest_filename: []const u8,
 
     const Self = @This();
 
-    pub fn create(builder: *Builder, artifact: *LibExeObjStep, dest_filename: [] const u8) *Self {
+    pub fn create(builder: *Builder, artifact: *LibExeObjStep, dest_filename: []const u8) *Self {
         const self = builder.allocator.create(Self) catch unreachable;
         self.* = Self{
             .step = Step.init(builder.fmt("install raw binary {}", .{artifact.step.name}), builder.allocator, make),
@@ -249,7 +249,7 @@ pub const InstallRawStep = struct {
         const full_src_path = self.artifact.getOutputPath();
         const full_dest_path = builder.getInstallPath(self.dest_dir, self.dest_filename);
 
-        fs.makePath(builder.allocator, builder.getInstallPath(self.dest_dir, "")) catch unreachable;
+        fs.cwd().makePath(builder.getInstallPath(self.dest_dir, "")) catch unreachable;
         try emit_raw(builder.allocator, full_src_path, full_dest_path);
     }
-};
\ No newline at end of file
+};
diff --git a/lib/std/build/write_file.zig b/lib/std/build/write_file.zig
index 13d131ac61f2c0d3c8b7f5a68e8585ab6e651a97..60c54336e088893c196b6e6e10a0439671e948c1 100644
--- a/lib/std/build/write_file.zig
+++ b/lib/std/build/write_file.zig
@@ -74,7 +74,7 @@ pub const WriteFileStep = struct {
             &hash_basename,
         });
         // TODO replace with something like fs.makePathAndOpenDir
-        fs.makePath(self.builder.allocator, self.output_dir) catch |err| {
+        fs.cwd().makePath(self.output_dir) catch |err| {
             warn("unable to make path {}: {}\n", .{ self.output_dir, @errorName(err) });
             return err;
         };
diff --git a/lib/std/c.zig b/lib/std/c.zig
index 48a3039f51c180de192400e56835a8baad846af3..7c019085403177e2a9cfba1ceeb6f100e8113422 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -75,6 +75,7 @@ pub extern "c" fn isatty(fd: fd_t) c_int;
 pub extern "c" fn close(fd: fd_t) c_int;
 pub extern "c" fn fstat(fd: fd_t, buf: *Stat) c_int;
 pub extern "c" fn @"fstat$INODE64"(fd: fd_t, buf: *Stat) c_int;
+pub extern "c" fn fstatat(dirfd: fd_t, path: [*:0]const u8, stat_buf: *Stat, flags: u32) c_int;
 pub extern "c" fn lseek(fd: fd_t, offset: off_t, whence: c_int) off_t;
 pub extern "c" fn open(path: [*:0]const u8, oflag: c_uint, ...) c_int;
 pub extern "c" fn openat(fd: c_int, path: [*:0]const u8, oflag: c_uint, ...) c_int;
@@ -101,9 +102,11 @@ pub extern "c" fn faccessat(dirfd: fd_t, path: [*:0]const u8, mode: c_uint, flag
 pub extern "c" fn pipe(fds: *[2]fd_t) c_int;
 pub extern "c" fn pipe2(fds: *[2]fd_t, flags: u32) c_int;
 pub extern "c" fn mkdir(path: [*:0]const u8, mode: c_uint) c_int;
+pub extern "c" fn mkdirat(dirfd: fd_t, path: [*:0]const u8, mode: u32) c_int;
 pub extern "c" fn symlink(existing: [*:0]const u8, new: [*:0]const u8) c_int;
 pub extern "c" fn rename(old: [*:0]const u8, new: [*:0]const u8) c_int;
 pub extern "c" fn chdir(path: [*:0]const u8) c_int;
+pub extern "c" fn fchdir(fd: fd_t) c_int;
 pub extern "c" fn execve(path: [*:0]const u8, argv: [*:null]const ?[*:0]const u8, envp: [*:null]const ?[*:0]const u8) c_int;
 pub extern "c" fn dup(fd: fd_t) c_int;
 pub extern "c" fn dup2(old_fd: fd_t, new_fd: fd_t) c_int;
@@ -142,7 +145,7 @@ pub extern "c" fn sendto(
     buf: *const c_void,
     len: usize,
     flags: u32,
-    dest_addr: *const sockaddr,
+    dest_addr: ?*const sockaddr,
     addrlen: socklen_t,
 ) isize;
 
diff --git a/lib/std/c/darwin.zig b/lib/std/c/darwin.zig
index 524c82211e30a4b62a47a3137ada3afed626c70f..881e52c72cc9c9ed300fe31feb01de9b6757fa40 100644
--- a/lib/std/c/darwin.zig
+++ b/lib/std/c/darwin.zig
@@ -55,6 +55,22 @@ pub extern "c" fn clock_get_time(clock_serv: clock_serv_t, cur_time: *mach_times
 pub extern "c" fn host_get_clock_service(host: host_t, clock_id: clock_id_t, clock_serv: ?[*]clock_serv_t) kern_return_t;
 pub extern "c" fn mach_port_deallocate(task: ipc_space_t, name: mach_port_name_t) kern_return_t;
 
+pub const sf_hdtr = extern struct {
+    headers: [*]const iovec_const,
+    hdr_cnt: c_int,
+    trailers: [*]const iovec_const,
+    trl_cnt: c_int,
+};
+
+pub extern "c" fn sendfile(
+    out_fd: fd_t,
+    in_fd: fd_t,
+    offset: off_t,
+    len: *off_t,
+    sf_hdtr: ?*sf_hdtr,
+    flags: u32,
+) c_int;
+
 pub fn sigaddset(set: *sigset_t, signo: u5) void {
     set.* |= @as(u32, 1) << (signo - 1);
 }
diff --git a/lib/std/c/freebsd.zig b/lib/std/c/freebsd.zig
index 4c6614c978b3eff9008b287d53f9f8bd71962803..2c4820bbe9b4408516f6473db46c7b65c5b62407 100644
--- a/lib/std/c/freebsd.zig
+++ b/lib/std/c/freebsd.zig
@@ -8,6 +8,22 @@ pub extern "c" fn getdents(fd: c_int, buf_ptr: [*]u8, nbytes: usize) usize;
 pub extern "c" fn sigaltstack(ss: ?*stack_t, old_ss: ?*stack_t) c_int;
 pub extern "c" fn getrandom(buf_ptr: [*]u8, buf_len: usize, flags: c_uint) isize;
 
+pub const sf_hdtr = extern struct {
+    headers: [*]const iovec_const,
+    hdr_cnt: c_int,
+    trailers: [*]const iovec_const,
+    trl_cnt: c_int,
+};
+pub extern "c" fn sendfile(
+    out_fd: fd_t,
+    in_fd: fd_t,
+    offset: ?*off_t,
+    nbytes: usize,
+    sf_hdtr: ?*sf_hdtr,
+    sbytes: ?*off_t,
+    flags: u32,
+) c_int;
+
 pub const dl_iterate_phdr_callback = extern fn (info: *dl_phdr_info, size: usize, data: ?*c_void) c_int;
 pub extern "c" fn dl_iterate_phdr(callback: dl_iterate_phdr_callback, data: ?*c_void) c_int;
 
diff --git a/lib/std/c/linux.zig b/lib/std/c/linux.zig
index be32536d6f5bc31754b04f950c53a7ac65266456..7ac5ecd3fe0cbdd73d8e5f7a527f7a6b908f1a8f 100644
--- a/lib/std/c/linux.zig
+++ b/lib/std/c/linux.zig
@@ -82,6 +82,13 @@ pub extern "c" fn sigaltstack(ss: ?*stack_t, old_ss: ?*stack_t) c_int;
 
 pub extern "c" fn memfd_create(name: [*:0]const u8, flags: c_uint) c_int;
 
+pub extern "c" fn sendfile(
+    out_fd: fd_t,
+    in_fd: fd_t,
+    offset: ?*off_t,
+    count: usize,
+) isize;
+
 pub const pthread_attr_t = extern struct {
     __size: [56]u8,
     __align: c_long,
diff --git a/lib/std/event/loop.zig b/lib/std/event/loop.zig
index 80ba5a79b53dfdbe188205004e4144d18567db98..e62f15d59ab51dcf546e6018aca04203a384944b 100644
--- a/lib/std/event/loop.zig
+++ b/lib/std/event/loop.zig
@@ -236,7 +236,8 @@ pub const Loop = struct {
                 var extra_thread_index: usize = 0;
                 errdefer {
                     // writing 8 bytes to an eventfd cannot fail
-                    noasync os.write(self.os_data.final_eventfd, &wakeup_bytes) catch unreachable;
+                    const amt = noasync os.write(self.os_data.final_eventfd, &wakeup_bytes) catch unreachable;
+                    assert(amt == wakeup_bytes.len);
                     while (extra_thread_index != 0) {
                         extra_thread_index -= 1;
                         self.extra_threads[extra_thread_index].wait();
@@ -682,7 +683,8 @@ pub const Loop = struct {
                 .linux => {
                     self.posixFsRequest(&self.os_data.fs_end_request);
                     // writing 8 bytes to an eventfd cannot fail
-                    noasync os.write(self.os_data.final_eventfd, &wakeup_bytes) catch unreachable;
+                    const amt = noasync os.write(self.os_data.final_eventfd, &wakeup_bytes) catch unreachable;
+                    assert(amt == wakeup_bytes.len);
                     return;
                 },
                 .macosx, .freebsd, .netbsd, .dragonfly => {
@@ -831,7 +833,7 @@ pub const Loop = struct {
 
     /// Performs an async `os.write` using a separate thread.
     /// `fd` must block and not return EAGAIN.
-    pub fn write(self: *Loop, fd: os.fd_t, bytes: []const u8) os.WriteError!void {
+    pub fn write(self: *Loop, fd: os.fd_t, bytes: []const u8) os.WriteError!usize {
         var req_node = Request.Node{
             .data = .{
                 .msg = .{
@@ -852,7 +854,7 @@ pub const Loop = struct {
 
     /// Performs an async `os.writev` using a separate thread.
     /// `fd` must block and not return EAGAIN.
-    pub fn writev(self: *Loop, fd: os.fd_t, iov: []const os.iovec_const) os.WriteError!void {
+    pub fn writev(self: *Loop, fd: os.fd_t, iov: []const os.iovec_const) os.WriteError!usize {
         var req_node = Request.Node{
             .data = .{
                 .msg = .{
@@ -873,7 +875,7 @@ pub const Loop = struct {
 
     /// Performs an async `os.pwritev` using a separate thread.
     /// `fd` must block and not return EAGAIN.
-    pub fn pwritev(self: *Loop, fd: os.fd_t, iov: []const os.iovec_const, offset: u64) os.WriteError!void {
+    pub fn pwritev(self: *Loop, fd: os.fd_t, iov: []const os.iovec_const, offset: u64) os.WriteError!usize {
         var req_node = Request.Node{
             .data = .{
                 .msg = .{
@@ -1137,7 +1139,7 @@ pub const Loop = struct {
             pub const Write = struct {
                 fd: os.fd_t,
                 bytes: []const u8,
-                result: Error!void,
+                result: Error!usize,
 
                 pub const Error = os.WriteError;
             };
@@ -1145,7 +1147,7 @@ pub const Loop = struct {
             pub const WriteV = struct {
                 fd: os.fd_t,
                 iov: []const os.iovec_const,
-                result: Error!void,
+                result: Error!usize,
 
                 pub const Error = os.WriteError;
             };
@@ -1154,9 +1156,9 @@ pub const Loop = struct {
                 fd: os.fd_t,
                 iov: []const os.iovec_const,
                 offset: usize,
-                result: Error!void,
+                result: Error!usize,
 
-                pub const Error = os.WriteError;
+                pub const Error = os.PWriteError;
             };
 
             pub const PReadV = struct {
@@ -1165,7 +1167,7 @@ pub const Loop = struct {
                 offset: usize,
                 result: Error!usize,
 
-                pub const Error = os.ReadError;
+                pub const Error = os.PReadError;
             };
 
             pub const Open = struct {
diff --git a/lib/std/fs.zig b/lib/std/fs.zig
index 5077c52cd99445a107e26a88da758fb279efae45..88806f69bb90121d8c67dbe4fccf4b3047580e30 100644
--- a/lib/std/fs.zig
+++ b/lib/std/fs.zig
@@ -123,47 +123,21 @@ pub fn updateFileMode(source_path: []const u8, dest_path: []const u8, mode: ?Fil
     }
     const actual_mode = mode orelse src_stat.mode;
 
-    // TODO this logic could be made more efficient by calling makePath, once
-    // that API does not require an allocator
-    var atomic_file = make_atomic_file: while (true) {
-        const af = AtomicFile.init(dest_path, actual_mode) catch |err| switch (err) {
-            error.FileNotFound => {
-                var p = dest_path;
-                while (path.dirname(p)) |dirname| {
-                    makeDir(dirname) catch |e| switch (e) {
-                        error.FileNotFound => {
-                            p = dirname;
-                            continue;
-                        },
-                        else => return e,
-                    };
-                    continue :make_atomic_file;
-                } else {
-                    return err;
-                }
-            },
-            else => |e| return e,
-        };
-        break af;
-    } else unreachable;
-    defer atomic_file.deinit();
-
-    const in_stream = &src_file.inStream().stream;
-
-    var buf: [mem.page_size * 6]u8 = undefined;
-    while (true) {
-        const amt = try in_stream.readFull(buf[0..]);
-        try atomic_file.file.write(buf[0..amt]);
-        if (amt != buf.len) {
-            try atomic_file.file.updateTimes(src_stat.atime, src_stat.mtime);
-            try atomic_file.finish();
-            return PrevStatus.stale;
-        }
+    if (path.dirname(dest_path)) |dirname| {
+        try cwd().makePath(dirname);
     }
+
+    var atomic_file = try AtomicFile.init(dest_path, actual_mode);
+    defer atomic_file.deinit();
+
+    try atomic_file.file.writeFileAll(src_file, .{ .in_len = src_stat.size });
+    try atomic_file.file.updateTimes(src_stat.atime, src_stat.mtime);
+    try atomic_file.finish();
+    return PrevStatus.stale;
 }
 
-/// Guaranteed to be atomic. However until https://patchwork.kernel.org/patch/9636735/ is
-/// merged and readily available,
+/// Guaranteed to be atomic.
+/// On Linux, until https://patchwork.kernel.org/patch/9636735/ is merged and readily available,
 /// there is a possibility of power loss or application termination leaving temporary files present
 /// in the same directory as dest_path.
 /// Destination file will have the same mode as the source file.
@@ -207,6 +181,9 @@ pub fn copyFileMode(source_path: []const u8, dest_path: []const u8, mode: File.M
     }
 }
 
+/// TODO update this API to avoid a getrandom syscall for every operation. It
+/// should accept a random interface.
+/// TODO rework this to integrate with Dir
 pub const AtomicFile = struct {
     file: File,
     tmp_path_buf: [MAX_PATH_BYTES]u8,
@@ -268,70 +245,42 @@ pub const AtomicFile = struct {
 
     pub fn finish(self: *AtomicFile) !void {
         assert(!self.finished);
-        self.file.close();
-        self.finished = true;
-        if (builtin.os.tag == .windows) {
+        if (std.Target.current.os.tag == .windows) {
             const dest_path_w = try os.windows.sliceToPrefixedFileW(self.dest_path);
             const tmp_path_w = try os.windows.cStrToPrefixedFileW(@ptrCast([*:0]u8, &self.tmp_path_buf));
+            self.file.close();
+            self.finished = true;
             return os.renameW(&tmp_path_w, &dest_path_w);
+        } else {
+            const dest_path_c = try os.toPosixPath(self.dest_path);
+            self.file.close();
+            self.finished = true;
+            return os.renameC(@ptrCast([*:0]u8, &self.tmp_path_buf), &dest_path_c);
         }
-        const dest_path_c = try os.toPosixPath(self.dest_path);
-        return os.renameC(@ptrCast([*:0]u8, &self.tmp_path_buf), &dest_path_c);
     }
 };
 
 const default_new_dir_mode = 0o755;
 
-/// Create a new directory.
-pub fn makeDir(dir_path: []const u8) !void {
-    return os.mkdir(dir_path, default_new_dir_mode);
+/// Create a new directory, based on an absolute path.
+/// Asserts that the path is absolute. See `Dir.makeDir` for a function that operates
+/// on both absolute and relative paths.
+pub fn makeDirAbsolute(absolute_path: []const u8) !void {
+    assert(path.isAbsoluteC(absolute_path));
+    return os.mkdir(absolute_path, default_new_dir_mode);
 }
 
-/// Same as `makeDir` except the parameter is a null-terminated UTF8-encoded string.
-pub fn makeDirC(dir_path: [*:0]const u8) !void {
-    return os.mkdirC(dir_path, default_new_dir_mode);
+/// Same as `makeDirAbsolute` except the parameter is a null-terminated UTF8-encoded string.
+pub fn makeDirAbsoluteZ(absolute_path_z: [*:0]const u8) !void {
+    assert(path.isAbsoluteC(absolute_path_z));
+    return os.mkdirZ(absolute_path_z, default_new_dir_mode);
 }
 
-/// Same as `makeDir` except the parameter is a null-terminated UTF16LE-encoded string.
-pub fn makeDirW(dir_path: [*:0]const u16) !void {
-    return os.mkdirW(dir_path, default_new_dir_mode);
-}
-
-/// Calls makeDir recursively to make an entire path. Returns success if the path
-/// already exists and is a directory.
-/// This function is not atomic, and if it returns an error, the file system may
-/// have been modified regardless.
-/// TODO determine if we can remove the allocator requirement from this function
-pub fn makePath(allocator: *Allocator, full_path: []const u8) !void {
-    const resolved_path = try path.resolve(allocator, &[_][]const u8{full_path});
-    defer allocator.free(resolved_path);
-
-    var end_index: usize = resolved_path.len;
-    while (true) {
-        makeDir(resolved_path[0..end_index]) catch |err| switch (err) {
-            error.PathAlreadyExists => {
-                // TODO stat the file and return an error if it's not a directory
-                // this is important because otherwise a dangling symlink
-                // could cause an infinite loop
-                if (end_index == resolved_path.len) return;
-            },
-            error.FileNotFound => {
-                // march end_index backward until next path component
-                while (true) {
-                    end_index -= 1;
-                    if (path.isSep(resolved_path[end_index])) break;
-                }
-                continue;
-            },
-            else => return err,
-        };
-        if (end_index == resolved_path.len) return;
-        // march end_index forward until next path component
-        while (true) {
-            end_index += 1;
-            if (end_index == resolved_path.len or path.isSep(resolved_path[end_index])) break;
-        }
-    }
+/// Same as `makeDirAbsolute` except the parameter is a null-terminated WTF-16 encoded string.
+pub fn makeDirAbsoluteW(absolute_path_w: [*:0]const u16) !void {
+    assert(path.isAbsoluteWindowsW(absolute_path_w));
+    const handle = try os.windows.CreateDirectoryW(null, absolute_path_w, null);
+    os.windows.CloseHandle(handle);
 }
 
 /// Returns `error.DirNotEmpty` if the directory is not empty.
@@ -709,17 +658,19 @@ pub const Dir = struct {
     /// Call `File.close` to release the resource.
     /// Asserts that the path parameter has no null bytes.
     pub fn openFile(self: Dir, sub_path: []const u8, flags: File.OpenFlags) File.OpenError!File {
-        if (std.debug.runtime_safety) for (sub_path) |byte| assert(byte != 0);
         if (builtin.os.tag == .windows) {
             const path_w = try os.windows.sliceToPrefixedFileW(sub_path);
             return self.openFileW(&path_w, flags);
         }
         const path_c = try os.toPosixPath(sub_path);
-        return self.openFileC(&path_c, flags);
+        return self.openFileZ(&path_c, flags);
     }
 
+    /// Deprecated; use `openFileZ`.
+    pub const openFileC = openFileZ;
+
     /// Same as `openFile` but the path parameter is null-terminated.
-    pub fn openFileC(self: Dir, sub_path: [*:0]const u8, flags: File.OpenFlags) File.OpenError!File {
+    pub fn openFileZ(self: Dir, sub_path: [*:0]const u8, flags: File.OpenFlags) File.OpenError!File {
         if (builtin.os.tag == .windows) {
             const path_w = try os.windows.cStrToPrefixedFileW(sub_path);
             return self.openFileW(&path_w, flags);
@@ -759,7 +710,6 @@ pub const Dir = struct {
     /// Call `File.close` on the result when done.
     /// Asserts that the path parameter has no null bytes.
     pub fn createFile(self: Dir, sub_path: []const u8, flags: File.CreateFlags) File.OpenError!File {
-        if (std.debug.runtime_safety) for (sub_path) |byte| assert(byte != 0);
         if (builtin.os.tag == .windows) {
             const path_w = try os.windows.sliceToPrefixedFileW(sub_path);
             return self.createFileW(&path_w, flags);
@@ -806,9 +756,9 @@ pub const Dir = struct {
         return self.openFile(sub_path, .{});
     }
 
-    /// Deprecated; call `openFileC` directly.
+    /// Deprecated; call `openFileZ` directly.
     pub fn openReadC(self: Dir, sub_path: [*:0]const u8) File.OpenError!File {
-        return self.openFileC(sub_path, .{});
+        return self.openFileZ(sub_path, .{});
     }
 
     /// Deprecated; call `openFileW` directly.
@@ -882,6 +832,64 @@ pub const Dir = struct {
         }
     }
 
+    pub fn makeDir(self: Dir, sub_path: []const u8) !void {
+        try os.mkdirat(self.fd, sub_path, default_new_dir_mode);
+    }
+
+    pub fn makeDirZ(self: Dir, sub_path: [*:0]const u8) !void {
+        try os.mkdiratC(self.fd, sub_path, default_new_dir_mode);
+    }
+
+    pub fn makeDirW(self: Dir, sub_path: [*:0]const u16) !void {
+        const handle = try os.windows.CreateDirectoryW(self.fd, sub_path, null);
+        os.windows.CloseHandle(handle);
+    }
+
+    /// Calls makeDir recursively to make an entire path. Returns success if the path
+    /// already exists and is a directory.
+    /// This function is not atomic, and if it returns an error, the file system may
+    /// have been modified regardless.
+    pub fn makePath(self: Dir, sub_path: []const u8) !void {
+        var end_index: usize = sub_path.len;
+        while (true) {
+            self.makeDir(sub_path[0..end_index]) catch |err| switch (err) {
+                error.PathAlreadyExists => {
+                    // TODO stat the file and return an error if it's not a directory
+                    // this is important because otherwise a dangling symlink
+                    // could cause an infinite loop
+                    if (end_index == sub_path.len) return;
+                },
+                error.FileNotFound => {
+                    if (end_index == 0) return err;
+                    // march end_index backward until next path component
+                    while (true) {
+                        end_index -= 1;
+                        if (path.isSep(sub_path[end_index])) break;
+                    }
+                    continue;
+                },
+                else => return err,
+            };
+            if (end_index == sub_path.len) return;
+            // march end_index forward until next path component
+            while (true) {
+                end_index += 1;
+                if (end_index == sub_path.len or path.isSep(sub_path[end_index])) break;
+            }
+        }
+    }
+
+    /// Changes the current working directory to the open directory handle.
+    /// This modifies global state and can have surprising effects in multi-
+    /// threaded applications. Most applications and especially libraries should
+    /// not call this function as a general rule, however it can have use cases
+    /// in, for example, implementing a shell, or child process execution.
+    /// Not all targets support this. For example, WASI does not have the concept
+    /// of a current working directory.
+    pub fn setAsCwd(self: Dir) !void {
+        try os.fchdir(self.fd);
+    }
+
     /// Deprecated; call `openDirList` directly.
     pub fn openDir(self: Dir, sub_path: []const u8) OpenError!Dir {
         return self.openDirList(sub_path);
@@ -900,7 +908,6 @@ pub const Dir = struct {
     ///
     /// Asserts that the path parameter has no null bytes.
     pub fn openDirTraverse(self: Dir, sub_path: []const u8) OpenError!Dir {
-        if (std.debug.runtime_safety) for (sub_path) |byte| assert(byte != 0);
         if (builtin.os.tag == .windows) {
             const sub_path_w = try os.windows.sliceToPrefixedFileW(sub_path);
             return self.openDirTraverseW(&sub_path_w);
@@ -918,7 +925,6 @@ pub const Dir = struct {
     ///
     /// Asserts that the path parameter has no null bytes.
     pub fn openDirList(self: Dir, sub_path: []const u8) OpenError!Dir {
-        if (std.debug.runtime_safety) for (sub_path) |byte| assert(byte != 0);
         if (builtin.os.tag == .windows) {
             const sub_path_w = try os.windows.sliceToPrefixedFileW(sub_path);
             return self.openDirListW(&sub_path_w);
@@ -1082,7 +1088,6 @@ pub const Dir = struct {
     /// To delete a directory recursively, see `deleteTree`.
     /// Asserts that the path parameter has no null bytes.
     pub fn deleteDir(self: Dir, sub_path: []const u8) DeleteDirError!void {
-        if (std.debug.runtime_safety) for (sub_path) |byte| assert(byte != 0);
         if (builtin.os.tag == .windows) {
             const sub_path_w = try os.windows.sliceToPrefixedFileW(sub_path);
             return self.deleteDirW(&sub_path_w);
@@ -1112,7 +1117,6 @@ pub const Dir = struct {
     /// The return value is a slice of `buffer`, from index `0`.
     /// Asserts that the path parameter has no null bytes.
     pub fn readLink(self: Dir, sub_path: []const u8, buffer: *[MAX_PATH_BYTES]u8) ![]u8 {
-        if (std.debug.runtime_safety) for (sub_path) |byte| assert(byte != 0);
         const sub_path_c = try os.toPosixPath(sub_path);
         return self.readLinkC(&sub_path_c, buffer);
     }
@@ -1329,7 +1333,7 @@ pub const Dir = struct {
     pub fn writeFile(self: Dir, sub_path: []const u8, data: []const u8) !void {
         var file = try self.createFile(sub_path, .{});
         defer file.close();
-        try file.write(data);
+        try file.writeAll(data);
     }
 
     pub const AccessError = os.AccessError;
@@ -1402,7 +1406,7 @@ pub fn openFileAbsolute(absolute_path: []const u8, flags: File.OpenFlags) File.O
 /// Same as `openFileAbsolute` but the path parameter is null-terminated.
 pub fn openFileAbsoluteC(absolute_path_c: [*:0]const u8, flags: File.OpenFlags) File.OpenError!File {
     assert(path.isAbsoluteC(absolute_path_c));
-    return cwd().openFileC(absolute_path_c, flags);
+    return cwd().openFileZ(absolute_path_c, flags);
 }
 
 /// Same as `openFileAbsolute` but the path parameter is WTF-16 encoded.
diff --git a/lib/std/fs/file.zig b/lib/std/fs/file.zig
index c243eeb62cfb96ef984f7a54a12f25178bf5b6b2..5b51f19f412cd669581cd60f92a26fc0cd03ee03 100644
--- a/lib/std/fs/file.zig
+++ b/lib/std/fs/file.zig
@@ -228,63 +228,260 @@ pub const File = struct {
     }
 
     pub const ReadError = os.ReadError;
+    pub const PReadError = os.PReadError;
 
     pub fn read(self: File, buffer: []u8) ReadError!usize {
         if (need_async_thread and self.io_mode == .blocking and !self.async_block_allowed) {
             return std.event.Loop.instance.?.read(self.handle, buffer);
+        } else {
+            return os.read(self.handle, buffer);
         }
-        return os.read(self.handle, buffer);
     }
 
-    pub fn pread(self: File, buffer: []u8, offset: u64) ReadError!usize {
+    pub fn readAll(self: File, buffer: []u8) ReadError!void {
+        var index: usize = 0;
+        while (index < buffer.len) {
+            index += try self.read(buffer[index..]);
+        }
+    }
+
+    pub fn pread(self: File, buffer: []u8, offset: u64) PReadError!usize {
         if (need_async_thread and self.io_mode == .blocking and !self.async_block_allowed) {
-            return std.event.Loop.instance.?.pread(self.handle, buffer);
+            return std.event.Loop.instance.?.pread(self.handle, buffer, offset);
+        } else {
+            return os.pread(self.handle, buffer, offset);
+        }
+    }
+
+    pub fn preadAll(self: File, buffer: []u8, offset: u64) PReadError!void {
+        var index: usize = 0;
+        while (index < buffer.len) {
+            index += try self.pread(buffer[index..], offset + index);
         }
-        return os.pread(self.handle, buffer, offset);
     }
 
     pub fn readv(self: File, iovecs: []const os.iovec) ReadError!usize {
         if (need_async_thread and self.io_mode == .blocking and !self.async_block_allowed) {
             return std.event.Loop.instance.?.readv(self.handle, iovecs);
+        } else {
+            return os.readv(self.handle, iovecs);
         }
-        return os.readv(self.handle, iovecs);
     }
 
-    pub fn preadv(self: File, iovecs: []const os.iovec, offset: u64) ReadError!usize {
+    /// The `iovecs` parameter is mutable because this function needs to mutate the fields in
+    /// order to handle partial reads from the underlying OS layer.
+    pub fn readvAll(self: File, iovecs: []os.iovec) ReadError!void {
+        if (iovecs.len == 0) return;
+
+        var i: usize = 0;
+        while (true) {
+            var amt = try self.readv(iovecs[i..]);
+            while (amt >= iovecs[i].iov_len) {
+                amt -= iovecs[i].iov_len;
+                i += 1;
+                if (i >= iovecs.len) return;
+            }
+            iovecs[i].iov_base += amt;
+            iovecs[i].iov_len -= amt;
+        }
+    }
+
+    pub fn preadv(self: File, iovecs: []const os.iovec, offset: u64) PReadError!usize {
         if (need_async_thread and self.io_mode == .blocking and !self.async_block_allowed) {
             return std.event.Loop.instance.?.preadv(self.handle, iovecs, offset);
+        } else {
+            return os.preadv(self.handle, iovecs, offset);
+        }
+    }
+
+    /// The `iovecs` parameter is mutable because this function needs to mutate the fields in
+    /// order to handle partial reads from the underlying OS layer.
+    pub fn preadvAll(self: File, iovecs: []const os.iovec, offset: u64) PReadError!void {
+        if (iovecs.len == 0) return;
+
+        var i: usize = 0;
+        var off: usize = 0;
+        while (true) {
+            var amt = try self.preadv(iovecs[i..], offset + off);
+            off += amt;
+            while (amt >= iovecs[i].iov_len) {
+                amt -= iovecs[i].iov_len;
+                i += 1;
+                if (i >= iovecs.len) return;
+            }
+            iovecs[i].iov_base += amt;
+            iovecs[i].iov_len -= amt;
         }
-        return os.preadv(self.handle, iovecs, offset);
     }
 
     pub const WriteError = os.WriteError;
+    pub const PWriteError = os.PWriteError;
 
-    pub fn write(self: File, bytes: []const u8) WriteError!void {
+    pub fn write(self: File, bytes: []const u8) WriteError!usize {
         if (need_async_thread and self.io_mode == .blocking and !self.async_block_allowed) {
             return std.event.Loop.instance.?.write(self.handle, bytes);
+        } else {
+            return os.write(self.handle, bytes);
         }
-        return os.write(self.handle, bytes);
     }
 
-    pub fn pwrite(self: File, bytes: []const u8, offset: u64) WriteError!void {
+    pub fn writeAll(self: File, bytes: []const u8) WriteError!void {
+        var index: usize = 0;
+        while (index < bytes.len) {
+            index += try self.write(bytes[index..]);
+        }
+    }
+
+    pub fn pwrite(self: File, bytes: []const u8, offset: u64) PWriteError!usize {
         if (need_async_thread and self.io_mode == .blocking and !self.async_block_allowed) {
             return std.event.Loop.instance.?.pwrite(self.handle, bytes, offset);
+        } else {
+            return os.pwrite(self.handle, bytes, offset);
         }
-        return os.pwrite(self.handle, bytes, offset);
     }
 
-    pub fn writev(self: File, iovecs: []const os.iovec_const) WriteError!void {
+    pub fn pwriteAll(self: File, bytes: []const u8, offset: u64) PWriteError!void {
+        var index: usize = 0;
+        while (index < bytes.len) {
+            index += try self.pwrite(bytes[index..], offset + index);
+        }
+    }
+
+    pub fn writev(self: File, iovecs: []const os.iovec_const) WriteError!usize {
         if (need_async_thread and self.io_mode == .blocking and !self.async_block_allowed) {
             return std.event.Loop.instance.?.writev(self.handle, iovecs);
+        } else {
+            return os.writev(self.handle, iovecs);
         }
-        return os.writev(self.handle, iovecs);
     }
 
-    pub fn pwritev(self: File, iovecs: []const os.iovec_const, offset: usize) WriteError!void {
+    /// The `iovecs` parameter is mutable because this function needs to mutate the fields in
+    /// order to handle partial writes from the underlying OS layer.
+    pub fn writevAll(self: File, iovecs: []os.iovec_const) WriteError!void {
+        if (iovecs.len == 0) return;
+
+        var i: usize = 0;
+        while (true) {
+            var amt = try self.writev(iovecs[i..]);
+            while (amt >= iovecs[i].iov_len) {
+                amt -= iovecs[i].iov_len;
+                i += 1;
+                if (i >= iovecs.len) return;
+            }
+            iovecs[i].iov_base += amt;
+            iovecs[i].iov_len -= amt;
+        }
+    }
+
+    pub fn pwritev(self: File, iovecs: []os.iovec_const, offset: usize) PWriteError!usize {
         if (need_async_thread and self.io_mode == .blocking and !self.async_block_allowed) {
-            return std.event.Loop.instance.?.pwritev(self.handle, iovecs);
+            return std.event.Loop.instance.?.pwritev(self.handle, iovecs, offset);
+        } else {
+            return os.pwritev(self.handle, iovecs, offset);
+        }
+    }
+
+    /// The `iovecs` parameter is mutable because this function needs to mutate the fields in
+    /// order to handle partial writes from the underlying OS layer.
+    pub fn pwritevAll(self: File, iovecs: []os.iovec_const, offset: usize) PWriteError!void {
+        if (iovecs.len == 0) return;
+
+        var i: usize = 0;
+        var off: usize = 0;
+        while (true) {
+            var amt = try self.pwritev(iovecs[i..], offset + off);
+            off += amt;
+            while (amt >= iovecs[i].iov_len) {
+                amt -= iovecs[i].iov_len;
+                i += 1;
+                if (i >= iovecs.len) return;
+            }
+            iovecs[i].iov_base += amt;
+            iovecs[i].iov_len -= amt;
+        }
+    }
+
+    pub const WriteFileOptions = struct {
+        in_offset: u64 = 0,
+
+        /// `null` means the entire file. `0` means no bytes from the file.
+        /// When this is `null`, trailers must be sent in a separate writev() call
+        /// due to a flaw in the BSD sendfile API. Other operating systems, such as
+        /// Linux, already do this anyway due to API limitations.
+        /// If the size of the source file is known, passing the size here will save one syscall.
+        in_len: ?u64 = null,
+
+        headers_and_trailers: []os.iovec_const = &[0]os.iovec_const{},
+
+        /// The trailer count is inferred from `headers_and_trailers.len - header_count`
+        header_count: usize = 0,
+    };
+
+    pub const WriteFileError = os.SendFileError;
+
+    /// TODO integrate with async I/O
+    pub fn writeFileAll(self: File, in_file: File, args: WriteFileOptions) WriteFileError!void {
+        const count = blk: {
+            if (args.in_len) |l| {
+                if (l == 0) {
+                    return self.writevAll(args.headers_and_trailers);
+                } else {
+                    break :blk l;
+                }
+            } else {
+                break :blk 0;
+            }
+        };
+        const headers = args.headers_and_trailers[0..args.header_count];
+        const trailers = args.headers_and_trailers[args.header_count..];
+        const zero_iovec = &[0]os.iovec_const{};
+        // When reading the whole file, we cannot put the trailers in the sendfile() syscall,
+        // because we have no way to determine whether a partial write is past the end of the file or not.
+        const trls = if (count == 0) zero_iovec else trailers;
+        const offset = args.in_offset;
+        const out_fd = self.handle;
+        const in_fd = in_file.handle;
+        const flags = 0;
+        var amt: usize = 0;
+        hdrs: {
+            var i: usize = 0;
+            while (i < headers.len) {
+                amt = try os.sendfile(out_fd, in_fd, offset, count, headers[i..], trls, flags);
+                while (amt >= headers[i].iov_len) {
+                    amt -= headers[i].iov_len;
+                    i += 1;
+                    if (i >= headers.len) break :hdrs;
+                }
+                headers[i].iov_base += amt;
+                headers[i].iov_len -= amt;
+            }
+        }
+        if (count == 0) {
+            var off: u64 = amt;
+            while (true) {
+                amt = try os.sendfile(out_fd, in_fd, offset + off, 0, zero_iovec, zero_iovec, flags);
+                if (amt == 0) break;
+                off += amt;
+            }
+        } else {
+            var off: u64 = amt;
+            while (off < count) {
+                amt = try os.sendfile(out_fd, in_fd, offset + off, count - off, zero_iovec, trailers, flags);
+                off += amt;
+            }
+            amt = @intCast(usize, off - count);
+        }
+        var i: usize = 0;
+        while (i < trailers.len) {
+            while (amt >= headers[i].iov_len) {
+                amt -= trailers[i].iov_len;
+                i += 1;
+                if (i >= trailers.len) return;
+            }
+            trailers[i].iov_base += amt;
+            trailers[i].iov_len -= amt;
+            amt = try os.writev(self.handle, trailers[i..]);
         }
-        return os.pwritev(self.handle, iovecs);
     }
 
     pub fn inStream(file: File) InStream {
@@ -335,7 +532,7 @@ pub const File = struct {
         pub const Error = WriteError;
         pub const Stream = io.OutStream(Error);
 
-        fn writeFn(out_stream: *Stream, bytes: []const u8) Error!void {
+        fn writeFn(out_stream: *Stream, bytes: []const u8) Error!usize {
             const self = @fieldParentPtr(OutStream, "stream", out_stream);
             return self.file.write(bytes);
         }
diff --git a/lib/std/fs/watch.zig b/lib/std/fs/watch.zig
index 1eb5a97ff164f800f6d5e873cdfd0919b1bcdde0..3180240a728d8a5b0c5d4bfd078c9e3f177a21e0 100644
--- a/lib/std/fs/watch.zig
+++ b/lib/std/fs/watch.zig
@@ -618,11 +618,10 @@ test "write a file, watch it, write it again" {
     // TODO re-enable this test
     if (true) return error.SkipZigTest;
 
-    const allocator = std.heap.page_allocator;
-
-    try os.makePath(allocator, test_tmp_dir);
+    try fs.cwd().makePath(test_tmp_dir);
     defer os.deleteTree(test_tmp_dir) catch {};
 
+    const allocator = std.heap.page_allocator;
     return testFsWatch(&allocator);
 }
 
diff --git a/lib/std/io.zig b/lib/std/io.zig
index d0bf26d5487562a81b4668c4d681ffe973a141b0..99e9391f1d47e0c5ab6dd2d3940200f66542ad71 100644
--- a/lib/std/io.zig
+++ b/lib/std/io.zig
@@ -437,10 +437,11 @@ pub fn BitInStream(endian: builtin.Endian, comptime Error: type) type {
     };
 }
 
-/// This is a simple OutStream that writes to a fixed buffer, and returns an error
-/// when it runs out of space.
+/// This is a simple OutStream that writes to a fixed buffer. If the returned number
+/// of bytes written is less than requested, the buffer is full.
+/// Returns error.OutOfMemory when no bytes would be written.
 pub const SliceOutStream = struct {
-    pub const Error = error{OutOfSpace};
+    pub const Error = error{OutOfMemory};
     pub const Stream = OutStream(Error);
 
     stream: Stream,
@@ -464,9 +465,11 @@ pub const SliceOutStream = struct {
         self.pos = 0;
     }
 
-    fn writeFn(out_stream: *Stream, bytes: []const u8) Error!void {
+    fn writeFn(out_stream: *Stream, bytes: []const u8) Error!usize {
         const self = @fieldParentPtr(SliceOutStream, "stream", out_stream);
 
+        if (bytes.len == 0) return 0;
+
         assert(self.pos <= self.slice.len);
 
         const n = if (self.pos + bytes.len <= self.slice.len)
@@ -477,9 +480,9 @@ pub const SliceOutStream = struct {
         std.mem.copy(u8, self.slice[self.pos .. self.pos + n], bytes[0..n]);
         self.pos += n;
 
-        if (n < bytes.len) {
-            return Error.OutOfSpace;
-        }
+        if (n == 0) return error.OutOfMemory;
+
+        return n;
     }
 };
 
@@ -508,7 +511,9 @@ pub const NullOutStream = struct {
         };
     }
 
-    fn writeFn(out_stream: *Stream, bytes: []const u8) Error!void {}
+    fn writeFn(out_stream: *Stream, bytes: []const u8) Error!usize {
+        return bytes.len;
+    }
 };
 
 test "io.NullOutStream" {
@@ -536,10 +541,11 @@ pub fn CountingOutStream(comptime OutStreamError: type) type {
             };
         }
 
-        fn writeFn(out_stream: *Stream, bytes: []const u8) OutStreamError!void {
+        fn writeFn(out_stream: *Stream, bytes: []const u8) OutStreamError!usize {
             const self = @fieldParentPtr(Self, "stream", out_stream);
             try self.child_stream.write(bytes);
             self.bytes_written += bytes.len;
+            return bytes.len;
         }
     };
 }
@@ -588,13 +594,14 @@ pub fn BufferedOutStreamCustom(comptime buffer_size: usize, comptime OutStreamEr
             }
         }
 
-        fn writeFn(out_stream: *Stream, bytes: []const u8) Error!void {
+        fn writeFn(out_stream: *Stream, bytes: []const u8) Error!usize {
             const self = @fieldParentPtr(Self, "stream", out_stream);
             if (bytes.len >= self.fifo.writableLength()) {
                 try self.flush();
-                return self.unbuffered_out_stream.write(bytes);
+                return self.unbuffered_out_stream.writeOnce(bytes);
             }
             self.fifo.writeAssumeCapacity(bytes);
+            return bytes.len;
         }
     };
 }
@@ -614,9 +621,10 @@ pub const BufferOutStream = struct {
         };
     }
 
-    fn writeFn(out_stream: *Stream, bytes: []const u8) !void {
+    fn writeFn(out_stream: *Stream, bytes: []const u8) !usize {
         const self = @fieldParentPtr(BufferOutStream, "stream", out_stream);
-        return self.buffer.append(bytes);
+        try self.buffer.append(bytes);
+        return bytes.len;
     }
 };
 
@@ -734,17 +742,17 @@ pub fn BitOutStream(endian: builtin.Endian, comptime Error: type) type {
             self.bit_count = 0;
         }
 
-        pub fn write(self_stream: *Stream, buffer: []const u8) Error!void {
+        pub fn write(self_stream: *Stream, buffer: []const u8) Error!usize {
             var self = @fieldParentPtr(Self, "stream", self_stream);
 
-            //@NOTE: I'm not sure this is a good idea, maybe flushBits should be forced
+            // TODO: I'm not sure this is a good idea, maybe flushBits should be forced
             if (self.bit_count > 0) {
                 for (buffer) |b, i|
                     try self.writeBits(b, u8_bit_count);
-                return;
+                return buffer.len;
             }
 
-            return self.out_stream.write(buffer);
+            return self.out_stream.writeOnce(buffer);
         }
     };
 }
diff --git a/lib/std/io/c_out_stream.zig b/lib/std/io/c_out_stream.zig
index 8b341e693746f5ebdccf781d7f52cce88740134c..adaa3fcbafdcd23ae30fd7b9fd395037b05d6bd2 100644
--- a/lib/std/io/c_out_stream.zig
+++ b/lib/std/io/c_out_stream.zig
@@ -20,10 +20,10 @@ pub const COutStream = struct {
         };
     }
 
-    fn writeFn(out_stream: *Stream, bytes: []const u8) Error!void {
+    fn writeFn(out_stream: *Stream, bytes: []const u8) Error!usize {
         const self = @fieldParentPtr(COutStream, "stream", out_stream);
         const amt_written = std.c.fwrite(bytes.ptr, 1, bytes.len, self.c_file);
-        if (amt_written == bytes.len) return;
+        if (amt_written >= 0) return amt_written;
         switch (std.c._errno().*) {
             0 => unreachable,
             os.EINVAL => unreachable,
diff --git a/lib/std/io/out_stream.zig b/lib/std/io/out_stream.zig
index 7f534865f56e4078948989939478e5a73148c3cb..cb75b27bf11d1a20b0cd28c5328330cd0dc66a69 100644
--- a/lib/std/io/out_stream.zig
+++ b/lib/std/io/out_stream.zig
@@ -14,13 +14,13 @@ pub fn OutStream(comptime WriteError: type) type {
         const Self = @This();
         pub const Error = WriteError;
         pub const WriteFn = if (std.io.is_async)
-            async fn (self: *Self, bytes: []const u8) Error!void
+            async fn (self: *Self, bytes: []const u8) Error!usize
         else
-            fn (self: *Self, bytes: []const u8) Error!void;
+            fn (self: *Self, bytes: []const u8) Error!usize;
 
         writeFn: WriteFn,
 
-        pub fn write(self: *Self, bytes: []const u8) Error!void {
+        pub fn writeOnce(self: *Self, bytes: []const u8) Error!usize {
             if (std.io.is_async) {
                 // Let's not be writing 0xaa in safe modes for upwards of 4 MiB for every stream write.
                 @setRuntimeSafety(false);
@@ -31,6 +31,13 @@ pub fn OutStream(comptime WriteError: type) type {
             }
         }
 
+        pub fn write(self: *Self, bytes: []const u8) Error!void {
+            var index: usize = 0;
+            while (index != bytes.len) {
+                index += try self.writeOnce(bytes[index..]);
+            }
+        }
+
         pub fn print(self: *Self, comptime format: []const u8, args: var) Error!void {
             return std.fmt.format(self, Error, write, format, args);
         }
diff --git a/lib/std/io/test.zig b/lib/std/io/test.zig
index a5b0913a60ee796f4df90ddf480b50d08fc95f89..bc194046f6e971e9df73c88ebe7dbe98b16e1341 100644
--- a/lib/std/io/test.zig
+++ b/lib/std/io/test.zig
@@ -134,13 +134,13 @@ test "SliceOutStream" {
     try ss.stream.write("world");
     expect(mem.eql(u8, ss.getWritten(), "Helloworld"));
 
-    expectError(error.OutOfSpace, ss.stream.write("!"));
+    expectError(error.OutOfMemory, ss.stream.write("!"));
     expect(mem.eql(u8, ss.getWritten(), "Helloworld"));
 
     ss.reset();
     expect(ss.getWritten().len == 0);
 
-    expectError(error.OutOfSpace, ss.stream.write("Hello world!"));
+    expectError(error.OutOfMemory, ss.stream.write("Hello world!"));
     expect(mem.eql(u8, ss.getWritten(), "Hello worl"));
 }
 
@@ -613,7 +613,7 @@ test "File seek ops" {
         fs.cwd().deleteFile(tmp_file_name) catch {};
     }
 
-    try file.write(&([_]u8{0x55} ** 8192));
+    try file.writeAll(&([_]u8{0x55} ** 8192));
 
     // Seek to the end
     try file.seekFromEnd(0);
diff --git a/lib/std/os.zig b/lib/std/os.zig
index fbfef4ac4cdb53e62f4421c1e35df9ddfcf4741e..90ad3e03a9af80c886990c495e2b419ec7940b08 100644
--- a/lib/std/os.zig
+++ b/lib/std/os.zig
@@ -298,6 +298,11 @@ pub const ReadError = error{
 /// buf.len. If 0 bytes were read, that means EOF.
 /// If the application has a global event loop enabled, EAGAIN is handled
 /// via the event loop. Otherwise EAGAIN results in error.WouldBlock.
+///
+/// Linux has a limit on how many bytes may be transferred in one `read` call, which is `0x7ffff000`
+/// on both 64-bit and 32-bit systems. This is due to using a signed C int as the return value, as
+/// well as stuffing the errno codes into the last `4096` values. This is noted on the `read` man page.
+/// For POSIX the limit is `math.maxInt(isize)`.
 pub fn read(fd: fd_t, buf: []u8) ReadError!usize {
     if (builtin.os.tag == .windows) {
         return windows.ReadFile(fd, buf, null);
@@ -316,8 +321,15 @@ pub fn read(fd: fd_t, buf: []u8) ReadError!usize {
         }
     }
 
+    // Prevents EINVAL.
+    const max_count = switch (std.Target.current.os.tag) {
+        .linux => 0x7ffff000,
+        else => math.maxInt(isize),
+    };
+    const adjusted_len = math.min(max_count, buf.len);
+
     while (true) {
-        const rc = system.read(fd, buf.ptr, buf.len);
+        const rc = system.read(fd, buf.ptr, adjusted_len);
         switch (errno(rc)) {
             0 => return @intCast(usize, rc),
             EINTR => continue,
@@ -352,32 +364,18 @@ pub fn read(fd: fd_t, buf: []u8) ReadError!usize {
 /// * Windows
 /// On these systems, the read races with concurrent writes to the same file descriptor.
 pub fn readv(fd: fd_t, iov: []const iovec) ReadError!usize {
-    if (builtin.os.tag == .windows) {
-        // TODO batch these into parallel requests
-        var off: usize = 0;
-        var iov_i: usize = 0;
-        var inner_off: usize = 0;
-        while (true) {
-            const v = iov[iov_i];
-            const amt_read = try read(fd, v.iov_base[inner_off .. v.iov_len - inner_off]);
-            off += amt_read;
-            inner_off += amt_read;
-            if (inner_off == v.len) {
-                iov_i += 1;
-                inner_off = 0;
-                if (iov_i == iov.len) {
-                    return off;
-                }
-            }
-            if (amt_read == 0) return off; // EOF
-        } else unreachable; // TODO https://github.com/ziglang/zig/issues/707
+    if (std.Target.current.os.tag == .windows) {
+        // TODO does Windows have a way to read an io vector?
+        if (iov.len == 0) return @as(usize, 0);
+        const first = iov[0];
+        return read(fd, first.iov_base[0..first.iov_len]);
     }
 
     while (true) {
         // TODO handle the case when iov_len is too large and get rid of this @intCast
-        const rc = system.readv(fd, iov.ptr, @intCast(u32, iov.len));
+        const rc = system.readv(fd, iov.ptr, iov_count);
         switch (errno(rc)) {
-            0 => return @bitCast(usize, rc),
+            0 => return @intCast(usize, rc),
             EINTR => continue,
             EINVAL => unreachable,
             EFAULT => unreachable,
@@ -397,6 +395,8 @@ pub fn readv(fd: fd_t, iov: []const iovec) ReadError!usize {
     }
 }
 
+pub const PReadError = ReadError || error{Unseekable};
+
 /// Number of bytes read is returned. Upon reading end-of-file, zero is returned.
 ///
 /// Retries when interrupted by a signal.
@@ -405,7 +405,7 @@ pub fn readv(fd: fd_t, iov: []const iovec) ReadError!usize {
 /// via the event loop. Otherwise EAGAIN results in `error.WouldBlock`.
 /// On Windows, if the application has a global event loop enabled, I/O Completion Ports are
 /// used to perform the I/O. `error.WouldBlock` is not possible on Windows.
-pub fn pread(fd: fd_t, buf: []u8, offset: u64) ReadError!usize {
+pub fn pread(fd: fd_t, buf: []u8, offset: u64) PReadError!usize {
     if (builtin.os.tag == .windows) {
         return windows.ReadFile(fd, buf, offset);
     }
@@ -429,6 +429,9 @@ pub fn pread(fd: fd_t, buf: []u8, offset: u64) ReadError!usize {
             ENOBUFS => return error.SystemResources,
             ENOMEM => return error.SystemResources,
             ECONNRESET => return error.ConnectionResetByPeer,
+            ENXIO => return error.Unseekable,
+            ESPIPE => return error.Unseekable,
+            EOVERFLOW => return error.Unseekable,
             else => |err| return unexpectedErrno(err),
         }
     }
@@ -448,75 +451,23 @@ pub fn pread(fd: fd_t, buf: []u8, offset: u64) ReadError!usize {
 /// * Darwin
 /// * Windows
 /// On these systems, the read races with concurrent writes to the same file descriptor.
-pub fn preadv(fd: fd_t, iov: []const iovec, offset: u64) ReadError!usize {
-    if (comptime std.Target.current.isDarwin()) {
-        // Darwin does not have preadv but it does have pread.
-        var off: usize = 0;
-        var iov_i: usize = 0;
-        var inner_off: usize = 0;
-        while (true) {
-            const v = iov[iov_i];
-            const rc = darwin.pread(fd, v.iov_base + inner_off, v.iov_len - inner_off, offset + off);
-            const err = darwin.getErrno(rc);
-            switch (err) {
-                0 => {
-                    const amt_read = @bitCast(usize, rc);
-                    off += amt_read;
-                    inner_off += amt_read;
-                    if (inner_off == v.iov_len) {
-                        iov_i += 1;
-                        inner_off = 0;
-                        if (iov_i == iov.len) {
-                            return off;
-                        }
-                    }
-                    if (rc == 0) return off; // EOF
-                    continue;
-                },
-                EINTR => continue,
-                EINVAL => unreachable,
-                EFAULT => unreachable,
-                ESPIPE => unreachable, // fd is not seekable
-                EAGAIN => if (std.event.Loop.instance) |loop| {
-                    loop.waitUntilFdReadable(fd);
-                    continue;
-                } else {
-                    return error.WouldBlock;
-                },
-                EBADF => unreachable, // always a race condition
-                EIO => return error.InputOutput,
-                EISDIR => return error.IsDir,
-                ENOBUFS => return error.SystemResources,
-                ENOMEM => return error.SystemResources,
-                else => return unexpectedErrno(err),
-            }
-        }
+pub fn preadv(fd: fd_t, iov: []const iovec, offset: u64) PReadError!usize {
+    const have_pread_but_not_preadv = switch (std.Target.current.os.tag) {
+        .windows, .macosx, .ios, .watchos, .tvos => true,
+        else => false,
+    };
+    if (have_pread_but_not_preadv) {
+        // We could loop here; but proper usage of `preadv` must handle partial reads anyway.
+        // So we simply read into the first vector only.
+        if (iov.len == 0) return @as(usize, 0);
+        const first = iov[0];
+        return pread(fd, first.iov_base[0..first.iov_len], offset);
     }
 
-    if (builtin.os.tag == .windows) {
-        // TODO batch these into parallel requests
-        var off: usize = 0;
-        var iov_i: usize = 0;
-        var inner_off: usize = 0;
-        while (true) {
-            const v = iov[iov_i];
-            const amt_read = try pread(fd, v.iov_base[inner_off .. v.iov_len - inner_off], offset + off);
-            off += amt_read;
-            inner_off += amt_read;
-            if (inner_off == v.len) {
-                iov_i += 1;
-                inner_off = 0;
-                if (iov_i == iov.len) {
-                    return off;
-                }
-            }
-            if (amt_read == 0) return off; // EOF
-        } else unreachable; // TODO https://github.com/ziglang/zig/issues/707
-    }
+    const iov_count = math.cast(u31, iov.len) catch math.maxInt(u31);
 
     while (true) {
-        // TODO handle the case when iov_len is too large and get rid of this @intCast
-        const rc = system.preadv(fd, iov.ptr, @intCast(u32, iov.len), offset);
+        const rc = system.preadv(fd, iov.ptr, iov_count, offset);
         switch (errno(rc)) {
             0 => return @bitCast(usize, rc),
             EINTR => continue,
@@ -533,6 +484,9 @@ pub fn preadv(fd: fd_t, iov: []const iovec, offset: u64) ReadError!usize {
             EISDIR => return error.IsDir,
             ENOBUFS => return error.SystemResources,
             ENOMEM => return error.SystemResources,
+            ENXIO => return error.Unseekable,
+            ESPIPE => return error.Unseekable,
+            EOVERFLOW => return error.Unseekable,
             else => |err| return unexpectedErrno(err),
         }
     }
@@ -553,10 +507,28 @@ pub const WriteError = error{
     WouldBlock,
 } || UnexpectedError;
 
-/// Write to a file descriptor. Keeps trying if it gets interrupted.
-/// If the application has a global event loop enabled, EAGAIN is handled
-/// via the event loop. Otherwise EAGAIN results in error.WouldBlock.
-pub fn write(fd: fd_t, bytes: []const u8) WriteError!void {
+/// Write to a file descriptor.
+/// Retries when interrupted by a signal.
+/// Returns the number of bytes written. If nonzero bytes were supplied, this will be nonzero.
+///
+/// Note that a successful write() may transfer fewer than count bytes.  Such partial  writes  can
+/// occur  for  various reasons; for example, because there was insufficient space on the disk
+/// device to write all of the requested bytes, or because a blocked write() to a socket,  pipe,  or
+/// similar  was  interrupted by a signal handler after it had transferred some, but before it had
+/// transferred all of the requested bytes.  In the event of a partial write, the caller can  make
+/// another  write() call to transfer the remaining bytes.  The subsequent call will either
+/// transfer further bytes or may result in an error (e.g., if the disk is now full).
+///
+/// For POSIX systems, if the application has a global event loop enabled, EAGAIN is handled
+/// via the event loop. Otherwise EAGAIN results in `error.WouldBlock`.
+/// On Windows, if the application has a global event loop enabled, I/O Completion Ports are
+/// used to perform the I/O. `error.WouldBlock` is not possible on Windows.
+///
+/// Linux has a limit on how many bytes may be transferred in one `write` call, which is `0x7ffff000`
+/// on both 64-bit and 32-bit systems. This is due to using a signed C int as the return value, as
+/// well as stuffing the errno codes into the last `4096` values. This is noted on the `write` man page.
+/// The corresponding POSIX limit is `math.maxInt(isize)`.
+pub fn write(fd: fd_t, bytes: []const u8) WriteError!usize {
     if (builtin.os.tag == .windows) {
         return windows.WriteFile(fd, bytes, null);
     }
@@ -568,26 +540,21 @@ pub fn write(fd: fd_t, bytes: []const u8) WriteError!void {
         }};
         var nwritten: usize = undefined;
         switch (wasi.fd_write(fd, &ciovs, ciovs.len, &nwritten)) {
-            0 => return,
+            0 => return nwritten,
             else => |err| return unexpectedErrno(err),
         }
     }
 
-    // Linux can return EINVAL when write amount is > 0x7ffff000
-    // See https://github.com/ziglang/zig/pull/743#issuecomment-363165856
-    // TODO audit this. Shawn Landden says that this is not actually true.
-    // if this logic should stay, move it to std.os.linux
-    const max_bytes_len = 0x7ffff000;
+    const max_count = switch (std.Target.current.os.tag) {
+        .linux => 0x7ffff000,
+        else => math.maxInt(isize),
+    };
+    const adjusted_len = math.min(max_count, bytes.len);
 
-    var index: usize = 0;
-    while (index < bytes.len) {
-        const amt_to_write = math.min(bytes.len - index, @as(usize, max_bytes_len));
-        const rc = system.write(fd, bytes.ptr + index, amt_to_write);
+    while (true) {
+        const rc = system.write(fd, bytes.ptr, adjusted_len);
         switch (errno(rc)) {
-            0 => {
-                index += @intCast(usize, rc);
-                continue;
-            },
+            0 => return @intCast(usize, rc),
             EINTR => continue,
             EINVAL => unreachable,
             EFAULT => unreachable,
@@ -611,14 +578,36 @@ pub fn write(fd: fd_t, bytes: []const u8) WriteError!void {
 }
 
 /// Write multiple buffers to a file descriptor.
-/// If the application has a global event loop enabled, EAGAIN is handled
-/// via the event loop. Otherwise EAGAIN results in error.WouldBlock.
-pub fn writev(fd: fd_t, iov: []const iovec_const) WriteError!void {
+/// Retries when interrupted by a signal.
+/// Returns the number of bytes written. If nonzero bytes were supplied, this will be nonzero.
+///
+/// Note that a successful write() may transfer fewer bytes than supplied.  Such partial  writes  can
+/// occur  for  various reasons; for example, because there was insufficient space on the disk
+/// device to write all of the requested bytes, or because a blocked write() to a socket,  pipe,  or
+/// similar  was  interrupted by a signal handler after it had transferred some, but before it had
+/// transferred all of the requested bytes.  In the event of a partial write, the caller can  make
+/// another  write() call to transfer the remaining bytes.  The subsequent call will either
+/// transfer further bytes or may result in an error (e.g., if the disk is now full).
+///
+/// For POSIX systems, if the application has a global event loop enabled, EAGAIN is handled
+/// via the event loop. Otherwise EAGAIN results in `error.WouldBlock`.
+/// On Windows, if the application has a global event loop enabled, I/O Completion Ports are
+/// used to perform the I/O. `error.WouldBlock` is not possible on Windows.
+///
+/// If `iov.len` is larger than will fit in a `u31`, a partial write will occur.
+pub fn writev(fd: fd_t, iov: []const iovec_const) WriteError!usize {
+    if (std.Target.current.os.tag == .windows) {
+        // TODO does Windows have a way to write an io vector?
+        if (iov.len == 0) return @as(usize, 0);
+        const first = iov[0];
+        return write(fd, first.iov_base[0..first.iov_len]);
+    }
+
+    const iov_count = math.cast(u31, iov.len) catch math.maxInt(u31);
     while (true) {
-        // TODO handle the case when iov_len is too large and get rid of this @intCast
-        const rc = system.writev(fd, iov.ptr, @intCast(u32, iov.len));
+        const rc = system.writev(fd, iov.ptr, iov_count);
         switch (errno(rc)) {
-            0 => return,
+            0 => return @intCast(usize, rc),
             EINTR => continue,
             EINVAL => unreachable,
             EFAULT => unreachable,
@@ -641,23 +630,45 @@ pub fn writev(fd: fd_t, iov: []const iovec_const) WriteError!void {
     }
 }
 
+pub const PWriteError = WriteError || error{Unseekable};
+
 /// Write to a file descriptor, with a position offset.
-///
 /// Retries when interrupted by a signal.
+/// Returns the number of bytes written. If nonzero bytes were supplied, this will be nonzero.
+///
+/// Note that a successful write() may transfer fewer bytes than supplied.  Such partial  writes  can
+/// occur  for  various reasons; for example, because there was insufficient space on the disk
+/// device to write all of the requested bytes, or because a blocked write() to a socket,  pipe,  or
+/// similar  was  interrupted by a signal handler after it had transferred some, but before it had
+/// transferred all of the requested bytes.  In the event of a partial write, the caller can  make
+/// another  write() call to transfer the remaining bytes.  The subsequent call will either
+/// transfer further bytes or may result in an error (e.g., if the disk is now full).
 ///
 /// For POSIX systems, if the application has a global event loop enabled, EAGAIN is handled
 /// via the event loop. Otherwise EAGAIN results in `error.WouldBlock`.
 /// On Windows, if the application has a global event loop enabled, I/O Completion Ports are
 /// used to perform the I/O. `error.WouldBlock` is not possible on Windows.
-pub fn pwrite(fd: fd_t, bytes: []const u8, offset: u64) WriteError!void {
+///
+/// Linux has a limit on how many bytes may be transferred in one `pwrite` call, which is `0x7ffff000`
+/// on both 64-bit and 32-bit systems. This is due to using a signed C int as the return value, as
+/// well as stuffing the errno codes into the last `4096` values. This is noted on the `write` man page.
+/// The corresponding POSIX limit is `math.maxInt(isize)`.
+pub fn pwrite(fd: fd_t, bytes: []const u8, offset: u64) PWriteError!usize {
     if (std.Target.current.os.tag == .windows) {
         return windows.WriteFile(fd, bytes, offset);
     }
 
+    // Prevent EINVAL.
+    const max_count = switch (std.Target.current.os.tag) {
+        .linux => 0x7ffff000,
+        else => math.maxInt(isize),
+    };
+    const adjusted_len = math.min(max_count, bytes.len);
+
     while (true) {
-        const rc = system.pwrite(fd, bytes.ptr, bytes.len, offset);
+        const rc = system.pwrite(fd, bytes.ptr, adjusted_len, offset);
         switch (errno(rc)) {
-            0 => return,
+            0 => return @intCast(usize, rc),
             EINTR => continue,
             EINVAL => unreachable,
             EFAULT => unreachable,
@@ -675,84 +686,54 @@ pub fn pwrite(fd: fd_t, bytes: []const u8, offset: u64) WriteError!void {
             ENOSPC => return error.NoSpaceLeft,
             EPERM => return error.AccessDenied,
             EPIPE => return error.BrokenPipe,
+            ENXIO => return error.Unseekable,
+            ESPIPE => return error.Unseekable,
+            EOVERFLOW => return error.Unseekable,
             else => |err| return unexpectedErrno(err),
         }
     }
 }
 
 /// Write multiple buffers to a file descriptor, with a position offset.
-///
 /// Retries when interrupted by a signal.
+/// Returns the number of bytes written. If nonzero bytes were supplied, this will be nonzero.
+///
+/// Note that a successful write() may transfer fewer than count bytes.  Such partial  writes  can
+/// occur  for  various reasons; for example, because there was insufficient space on the disk
+/// device to write all of the requested bytes, or because a blocked write() to a socket,  pipe,  or
+/// similar  was  interrupted by a signal handler after it had transferred some, but before it had
+/// transferred all of the requested bytes.  In the event of a partial write, the caller can  make
+/// another  write() call to transfer the remaining bytes.  The subsequent call will either
+/// transfer further bytes or may result in an error (e.g., if the disk is now full).
 ///
 /// If the application has a global event loop enabled, EAGAIN is handled
 /// via the event loop. Otherwise EAGAIN results in `error.WouldBlock`.
 ///
-/// This operation is non-atomic on the following systems:
+/// The following systems do not have this syscall, and will return partial writes if more than one
+/// vector is provided:
 /// * Darwin
 /// * Windows
-/// On these systems, the write races with concurrent writes to the same file descriptor, and
-/// the file can be in a partially written state when an error occurs.
-pub fn pwritev(fd: fd_t, iov: []const iovec_const, offset: u64) WriteError!void {
-    if (comptime std.Target.current.isDarwin()) {
-        // Darwin does not have pwritev but it does have pwrite.
-        var off: usize = 0;
-        var iov_i: usize = 0;
-        var inner_off: usize = 0;
-        while (true) {
-            const v = iov[iov_i];
-            const rc = darwin.pwrite(fd, v.iov_base + inner_off, v.iov_len - inner_off, offset + off);
-            const err = darwin.getErrno(rc);
-            switch (err) {
-                0 => {
-                    const amt_written = @bitCast(usize, rc);
-                    off += amt_written;
-                    inner_off += amt_written;
-                    if (inner_off == v.iov_len) {
-                        iov_i += 1;
-                        inner_off = 0;
-                        if (iov_i == iov.len) {
-                            return;
-                        }
-                    }
-                    continue;
-                },
-                EINTR => continue,
-                ESPIPE => unreachable, // `fd` is not seekable.
-                EINVAL => unreachable,
-                EFAULT => unreachable,
-                EAGAIN => if (std.event.Loop.instance) |loop| {
-                    loop.waitUntilFdWritable(fd);
-                    continue;
-                } else {
-                    return error.WouldBlock;
-                },
-                EBADF => unreachable, // Always a race condition.
-                EDESTADDRREQ => unreachable, // `connect` was never called.
-                EDQUOT => return error.DiskQuota,
-                EFBIG => return error.FileTooBig,
-                EIO => return error.InputOutput,
-                ENOSPC => return error.NoSpaceLeft,
-                EPERM => return error.AccessDenied,
-                EPIPE => return error.BrokenPipe,
-                else => return unexpectedErrno(err),
-            }
-        }
-    }
+///
+/// If `iov.len` is larger than will fit in a `u31`, a partial write will occur.
+pub fn pwritev(fd: fd_t, iov: []const iovec_const, offset: u64) PWriteError!usize {
+    const have_pwrite_but_not_pwritev = switch (std.Target.current.os.tag) {
+        .windows, .macosx, .ios, .watchos, .tvos => true,
+        else => false,
+    };
 
-    if (std.Target.current.os.tag == .windows) {
-        var off = offset;
-        for (iov) |item| {
-            try pwrite(fd, item.iov_base[0..item.iov_len], off);
-            off += buf.len;
-        }
-        return;
+    if (have_pwrite_but_not_pwritev) {
+        // We could loop here; but proper usage of `pwritev` must handle partial writes anyway.
+        // So we simply write the first vector only.
+        if (iov.len == 0) return @as(usize, 0);
+        const first = iov[0];
+        return pwrite(fd, first.iov_base[0..first.iov_len], offset);
     }
 
+    const iov_count = math.cast(u31, iov.len) catch math.maxInt(u31);
     while (true) {
-        // TODO handle the case when iov_len is too large and get rid of this @intCast
-        const rc = system.pwritev(fd, iov.ptr, @intCast(u32, iov.len), offset);
+        const rc = system.pwritev(fd, iov.ptr, iov_count, offset);
         switch (errno(rc)) {
-            0 => return,
+            0 => return @intCast(usize, rc),
             EINTR => continue,
             EINVAL => unreachable,
             EFAULT => unreachable,
@@ -770,6 +751,9 @@ pub fn pwritev(fd: fd_t, iov: []const iovec_const, offset: u64) WriteError!void
             ENOSPC => return error.NoSpaceLeft,
             EPERM => return error.AccessDenied,
             EPIPE => return error.BrokenPipe,
+            ENXIO => return error.Unseekable,
+            ESPIPE => return error.Unseekable,
+            EOVERFLOW => return error.Unseekable,
             else => |err| return unexpectedErrno(err),
         }
     }
@@ -1371,7 +1355,6 @@ pub const UnlinkatError = UnlinkError || error{
 /// Delete a file name and possibly the file it refers to, based on an open directory handle.
 /// Asserts that the path parameter has no null bytes.
 pub fn unlinkat(dirfd: fd_t, file_path: []const u8, flags: u32) UnlinkatError!void {
-    if (std.debug.runtime_safety) for (file_path) |byte| assert(byte != 0);
     if (builtin.os.tag == .windows) {
         const file_path_w = try windows.sliceToPrefixedFileW(file_path);
         return unlinkatW(dirfd, &file_path_w, flags);
@@ -1556,25 +1539,69 @@ pub const MakeDirError = error{
     ReadOnlyFileSystem,
     InvalidUtf8,
     BadPathName,
+    NoDevice,
 } || UnexpectedError;
 
+pub fn mkdirat(dir_fd: fd_t, sub_dir_path: []const u8, mode: u32) MakeDirError!void {
+    if (builtin.os.tag == .windows) {
+        const sub_dir_path_w = try windows.sliceToPrefixedFileW(sub_dir_path);
+        return mkdiratW(dir_fd, &sub_dir_path_w, mode);
+    } else {
+        const sub_dir_path_c = try toPosixPath(sub_dir_path);
+        return mkdiratC(dir_fd, &sub_dir_path_c, mode);
+    }
+}
+
+pub fn mkdiratC(dir_fd: fd_t, sub_dir_path: [*:0]const u8, mode: u32) MakeDirError!void {
+    if (builtin.os.tag == .windows) {
+        const sub_dir_path_w = try windows.cStrToPrefixedFileW(sub_dir_path);
+        return mkdiratW(dir_fd, &sub_dir_path_w, mode);
+    }
+    switch (errno(system.mkdirat(dir_fd, sub_dir_path, mode))) {
+        0 => return,
+        EACCES => return error.AccessDenied,
+        EBADF => unreachable,
+        EPERM => return error.AccessDenied,
+        EDQUOT => return error.DiskQuota,
+        EEXIST => return error.PathAlreadyExists,
+        EFAULT => unreachable,
+        ELOOP => return error.SymLinkLoop,
+        EMLINK => return error.LinkQuotaExceeded,
+        ENAMETOOLONG => return error.NameTooLong,
+        ENOENT => return error.FileNotFound,
+        ENOMEM => return error.SystemResources,
+        ENOSPC => return error.NoSpaceLeft,
+        ENOTDIR => return error.NotDir,
+        EROFS => return error.ReadOnlyFileSystem,
+        else => |err| return unexpectedErrno(err),
+    }
+}
+
+pub fn mkdiratW(dir_fd: fd_t, sub_path_w: [*:0]const u16, mode: u32) MakeDirError!void {
+    const sub_dir_handle = try windows.CreateDirectoryW(dir_fd, sub_path_w, null);
+    windows.CloseHandle(sub_dir_handle);
+}
+
 /// Create a directory.
 /// `mode` is ignored on Windows.
 pub fn mkdir(dir_path: []const u8, mode: u32) MakeDirError!void {
     if (builtin.os.tag == .windows) {
-        const dir_path_w = try windows.sliceToPrefixedFileW(dir_path);
-        return windows.CreateDirectoryW(&dir_path_w, null);
+        const sub_dir_handle = try windows.CreateDirectory(null, dir_path, null);
+        windows.CloseHandle(sub_dir_handle);
+        return;
     } else {
         const dir_path_c = try toPosixPath(dir_path);
-        return mkdirC(&dir_path_c, mode);
+        return mkdirZ(&dir_path_c, mode);
     }
 }
 
 /// Same as `mkdir` but the parameter is a null-terminated UTF8-encoded string.
-pub fn mkdirC(dir_path: [*:0]const u8, mode: u32) MakeDirError!void {
+pub fn mkdirZ(dir_path: [*:0]const u8, mode: u32) MakeDirError!void {
     if (builtin.os.tag == .windows) {
         const dir_path_w = try windows.cStrToPrefixedFileW(dir_path);
-        return windows.CreateDirectoryW(&dir_path_w, null);
+        const sub_dir_handle = try windows.CreateDirectoryW(null, &dir_path_w, null);
+        windows.CloseHandle(sub_dir_handle);
+        return;
     }
     switch (errno(system.mkdir(dir_path, mode))) {
         0 => return,
@@ -1687,6 +1714,26 @@ pub fn chdirC(dir_path: [*:0]const u8) ChangeCurDirError!void {
     }
 }
 
+pub const FchdirError = error{
+    AccessDenied,
+    NotDir,
+    FileSystem,
+} || UnexpectedError;
+
+pub fn fchdir(dirfd: fd_t) FchdirError!void {
+    while (true) {
+        switch (errno(system.fchdir(dirfd))) {
+            0 => return,
+            EACCES => return error.AccessDenied,
+            EBADF => unreachable,
+            ENOTDIR => return error.NotDir,
+            EINTR => continue,
+            EIO => return error.FileSystem,
+            else => |err| return unexpectedErrno(err),
+        }
+    }
+}
+
 pub const ReadLinkError = error{
     AccessDenied,
     FileSystem,
@@ -2338,6 +2385,29 @@ pub fn fstat(fd: fd_t) FStatError!Stat {
     }
 }
 
+const FStatAtError = FStatError || error{NameTooLong};
+
+pub fn fstatat(dirfd: fd_t, pathname: []const u8, flags: u32) FStatAtError![]Stat {
+    const pathname_c = try toPosixPath(pathname);
+    return fstatatC(dirfd, &pathname_c, flags);
+}
+
+pub fn fstatatC(dirfd: fd_t, pathname: [*:0]const u8, flags: u32) FStatAtError!Stat {
+    var stat: Stat = undefined;
+    switch (errno(system.fstatat(dirfd, pathname, &stat, flags))) {
+        0 => return stat,
+        EINVAL => unreachable,
+        EBADF => unreachable, // Always a race condition.
+        ENOMEM => return error.SystemResources,
+        EACCES => return error.AccessDenied,
+        EFAULT => unreachable,
+        ENAMETOOLONG => return error.NameTooLong,
+        ENOENT => return error.FileNotFound,
+        ENOTDIR => return error.FileNotFound,
+        else => |err| return unexpectedErrno(err),
+    }
+}
+
 pub const KQueueError = error{
     /// The per-process limit on the number of open file descriptors has been reached.
     ProcessFdQuotaExceeded,
@@ -3185,6 +3255,7 @@ pub fn sched_getaffinity(pid: pid_t) SchedGetAffinityError!cpu_set_t {
 /// Used to convert a slice to a null terminated slice on the stack.
 /// TODO https://github.com/ziglang/zig/issues/287
 pub fn toPosixPath(file_path: []const u8) ![PATH_MAX - 1:0]u8 {
+    if (std.debug.runtime_safety) assert(std.mem.indexOfScalar(u8, file_path, 0) == null);
     var path_with_null: [PATH_MAX - 1:0]u8 = undefined;
     // >= rather than > to make room for the null byte
     if (file_path.len >= PATH_MAX) return error.NameTooLong;
@@ -3389,7 +3460,6 @@ pub const SendError = error{
 
     /// The  socket  type requires that message be sent atomically, and the size of the message
     /// to be sent made this impossible. The message is not transmitted.
-    ///
     MessageTooBig,
 
     /// The output queue for a network interface was full.  This generally indicates  that  the
@@ -3498,6 +3568,324 @@ pub fn send(
     return sendto(sockfd, buf, flags, null, 0);
 }
 
+pub const SendFileError = PReadError || WriteError || SendError;
+
+fn count_iovec_bytes(iovs: []const iovec_const) usize {
+    var count: usize = 0;
+    for (iovs) |iov| {
+        count += iov.iov_len;
+    }
+    return count;
+}
+
+/// Transfer data between file descriptors, with optional headers and trailers.
+/// Returns the number of bytes written, which can be zero.
+///
+/// The `sendfile` call copies `in_len` bytes from one file descriptor to another. When possible,
+/// this is done within the operating system kernel, which can provide better performance
+/// characteristics than transferring data from kernel to user space and back, such as with
+/// `read` and `write` calls. When `in_len` is `0`, it means to copy until the end of the input file has been
+/// reached. Note, however, that partial writes are still possible in this case.
+///
+/// `in_fd` must be a file descriptor opened for reading, and `out_fd` must be a file descriptor
+/// opened for writing. They may be any kind of file descriptor; however, if `in_fd` is not a regular
+/// file system file, it may cause this function to fall back to calling `read` and `write`, in which case
+/// atomicity guarantees no longer apply.
+///
+/// Copying begins reading at `in_offset`. The input file descriptor seek position is ignored and not updated.
+/// If the output file descriptor has a seek position, it is updated as bytes are written. When
+/// `in_offset` is past the end of the input file, it successfully reads 0 bytes.
+///
+/// `flags` has different meanings per operating system; refer to the respective man pages.
+///
+/// These systems support atomically sending everything, including headers and trailers:
+/// * macOS
+/// * FreeBSD
+///
+/// These systems support in-kernel data copying, but headers and trailers are not sent atomically:
+/// * Linux
+///
+/// Other systems fall back to calling `read` / `write`.
+///
+/// Linux has a limit on how many bytes may be transferred in one `sendfile` call, which is `0x7ffff000`
+/// on both 64-bit and 32-bit systems. This is due to using a signed C int as the return value, as
+/// well as stuffing the errno codes into the last `4096` values. This is cited on the `sendfile` man page.
+/// The corresponding POSIX limit on this is `math.maxInt(isize)`.
+pub fn sendfile(
+    out_fd: fd_t,
+    in_fd: fd_t,
+    in_offset: u64,
+    in_len: u64,
+    headers: []const iovec_const,
+    trailers: []const iovec_const,
+    flags: u32,
+) SendFileError!usize {
+    var header_done = false;
+    var total_written: usize = 0;
+
+    // Prevents EOVERFLOW.
+    const size_t = @Type(std.builtin.TypeInfo{
+        .Int = .{
+            .is_signed = false,
+            .bits = @typeInfo(usize).Int.bits - 1,
+        },
+    });
+    const max_count = switch (std.Target.current.os.tag) {
+        .linux => 0x7ffff000,
+        else => math.maxInt(size_t),
+    };
+
+    switch (std.Target.current.os.tag) {
+        .linux => sf: {
+            // sendfile() first appeared in Linux 2.2, glibc 2.1.
+            const call_sf = comptime if (builtin.link_libc)
+                std.c.versionCheck(.{ .major = 2, .minor = 1 }).ok
+            else
+                std.Target.current.os.version_range.linux.range.max.order(.{ .major = 2, .minor = 2 }) != .lt;
+            if (!call_sf) break :sf;
+
+            if (headers.len != 0) {
+                const amt = try writev(out_fd, headers);
+                total_written += amt;
+                if (amt < count_iovec_bytes(headers)) return total_written;
+                header_done = true;
+            }
+
+            // Here we match BSD behavior, making a zero count value send as many bytes as possible.
+            const adjusted_count = if (in_len == 0) max_count else math.min(in_len, @as(size_t, max_count));
+
+            while (true) {
+                var offset: off_t = @bitCast(off_t, in_offset);
+                const rc = system.sendfile(out_fd, in_fd, &offset, adjusted_count);
+                switch (errno(rc)) {
+                    0 => {
+                        const amt = @bitCast(usize, rc);
+                        total_written += amt;
+                        if (in_len == 0 and amt == 0) {
+                            // We have detected EOF from `in_fd`.
+                            break;
+                        } else if (amt < in_len) {
+                            return total_written;
+                        } else {
+                            break;
+                        }
+                    },
+
+                    EBADF => unreachable, // Always a race condition.
+                    EFAULT => unreachable, // Segmentation fault.
+                    EOVERFLOW => unreachable, // We avoid passing too large of a `count`.
+                    ENOTCONN => unreachable, // `out_fd` is an unconnected socket.
+
+                    EINVAL, ENOSYS => {
+                        // EINVAL could be any of the following situations:
+                        // * Descriptor is not valid or locked
+                        // * an mmap(2)-like operation is  not  available  for in_fd
+                        // * count is negative
+                        // * out_fd has the O_APPEND flag set
+                        // Because of the "mmap(2)-like operation" possibility, we fall back to doing read/write
+                        // manually, the same as ENOSYS.
+                        break :sf;
+                    },
+                    EAGAIN => if (std.event.Loop.instance) |loop| {
+                        loop.waitUntilFdWritable(out_fd);
+                        continue;
+                    } else {
+                        return error.WouldBlock;
+                    },
+                    EIO => return error.InputOutput,
+                    EPIPE => return error.BrokenPipe,
+                    ENOMEM => return error.SystemResources,
+                    ENXIO => return error.Unseekable,
+                    ESPIPE => return error.Unseekable,
+                    else => |err| {
+                        const discard = unexpectedErrno(err);
+                        break :sf;
+                    },
+                }
+            }
+
+            if (trailers.len != 0) {
+                total_written += try writev(out_fd, trailers);
+            }
+
+            return total_written;
+        },
+        .freebsd => sf: {
+            var hdtr_data: std.c.sf_hdtr = undefined;
+            var hdtr: ?*std.c.sf_hdtr = null;
+            if (headers.len != 0 or trailers.len != 0) {
+                // Here we carefully avoid `@intCast` by returning partial writes when
+                // too many io vectors are provided.
+                const hdr_cnt = math.cast(u31, headers.len) catch math.maxInt(u31);
+                if (headers.len > hdr_cnt) return writev(out_fd, headers);
+
+                const trl_cnt = math.cast(u31, trailers.len) catch math.maxInt(u31);
+
+                hdtr_data = std.c.sf_hdtr{
+                    .headers = headers.ptr,
+                    .hdr_cnt = hdr_cnt,
+                    .trailers = trailers.ptr,
+                    .trl_cnt = trl_cnt,
+                };
+                hdtr = &hdtr_data;
+            }
+
+            const adjusted_count = math.min(in_len, max_count);
+
+            while (true) {
+                var sbytes: off_t = undefined;
+                const err = errno(system.sendfile(out_fd, in_fd, in_offset, adjusted_count, hdtr, &sbytes, flags));
+                const amt = @bitCast(usize, sbytes);
+                switch (err) {
+                    0 => return amt,
+
+                    EBADF => unreachable, // Always a race condition.
+                    EFAULT => unreachable, // Segmentation fault.
+                    ENOTCONN => unreachable, // `out_fd` is an unconnected socket.
+
+                    EINVAL, EOPNOTSUPP, ENOTSOCK, ENOSYS => {
+                        // EINVAL could be any of the following situations:
+                        // * The fd argument is not a regular file.
+                        // * The s argument is not a SOCK_STREAM type socket.
+                        // * The offset argument is negative.
+                        // Because of some of these possibilities, we fall back to doing read/write
+                        // manually, the same as ENOSYS.
+                        break :sf;
+                    },
+
+                    EINTR => if (amt != 0) return amt else continue,
+
+                    EAGAIN => if (amt != 0) {
+                        return amt;
+                    } else if (std.event.Loop.instance) |loop| {
+                        loop.waitUntilFdWritable(out_fd);
+                        continue;
+                    } else {
+                        return error.WouldBlock;
+                    },
+
+                    EBUSY => if (amt != 0) {
+                        return amt;
+                    } else if (std.event.Loop.instance) |loop| {
+                        loop.waitUntilFdReadable(in_fd);
+                        continue;
+                    } else {
+                        return error.WouldBlock;
+                    },
+
+                    EIO => return error.InputOutput,
+                    ENOBUFS => return error.SystemResources,
+                    EPIPE => return error.BrokenPipe,
+
+                    else => {
+                        const discard = unexpectedErrno(err);
+                        if (amt != 0) {
+                            return amt;
+                        } else {
+                            break :sf;
+                        }
+                    },
+                }
+            }
+        },
+        .macosx, .ios, .tvos, .watchos => sf: {
+            var hdtr_data: std.c.sf_hdtr = undefined;
+            var hdtr: ?*std.c.sf_hdtr = null;
+            if (headers.len != 0 or trailers.len != 0) {
+                // Here we carefully avoid `@intCast` by returning partial writes when
+                // too many io vectors are provided.
+                const hdr_cnt = math.cast(u31, headers.len) catch math.maxInt(u31);
+                if (headers.len > hdr_cnt) return writev(out_fd, headers);
+
+                const trl_cnt = math.cast(u31, trailers.len) catch math.maxInt(u31);
+
+                hdtr_data = std.c.sf_hdtr{
+                    .headers = headers.ptr,
+                    .hdr_cnt = hdr_cnt,
+                    .trailers = trailers.ptr,
+                    .trl_cnt = trl_cnt,
+                };
+                hdtr = &hdtr_data;
+            }
+
+            const adjusted_count = math.min(in_len, @as(u63, max_count));
+
+            while (true) {
+                var sbytes: off_t = adjusted_count;
+                const signed_offset = @bitCast(i64, in_offset);
+                const err = errno(system.sendfile(out_fd, in_fd, signed_offset, &sbytes, hdtr, flags));
+                const amt = @bitCast(usize, sbytes);
+                switch (err) {
+                    0 => return amt,
+
+                    EFAULT => unreachable, // Segmentation fault.
+                    EINVAL => unreachable,
+                    ENOTCONN => unreachable, // `out_fd` is an unconnected socket.
+
+                    // On macOS version 10.14.6, I observed Darwin return EBADF when
+                    // using sendfile on a valid open file descriptor of a file
+                    // system file.
+                    ENOTSUP, ENOTSOCK, ENOSYS, EBADF => break :sf,
+
+                    EINTR => if (amt != 0) return amt else continue,
+
+                    EAGAIN => if (amt != 0) {
+                        return amt;
+                    } else if (std.event.Loop.instance) |loop| {
+                        loop.waitUntilFdWritable(out_fd);
+                        continue;
+                    } else {
+                        return error.WouldBlock;
+                    },
+
+                    EIO => return error.InputOutput,
+                    EPIPE => return error.BrokenPipe,
+
+                    else => {
+                        const discard = unexpectedErrno(err);
+                        if (amt != 0) {
+                            return amt;
+                        } else {
+                            break :sf;
+                        }
+                    },
+                }
+            }
+        },
+        else => {}, // fall back to read/write
+    }
+
+    if (headers.len != 0 and !header_done) {
+        const amt = try writev(out_fd, headers);
+        total_written += amt;
+        if (amt < count_iovec_bytes(headers)) return total_written;
+    }
+
+    rw: {
+        var buf: [8 * 4096]u8 = undefined;
+        // Here we match BSD behavior, making a zero count value send as many bytes as possible.
+        const adjusted_count = if (in_len == 0) buf.len else math.min(buf.len, in_len);
+        const amt_read = try pread(in_fd, buf[0..adjusted_count], in_offset);
+        if (amt_read == 0) {
+            if (in_len == 0) {
+                // We have detected EOF from `in_fd`.
+                break :rw;
+            } else {
+                return total_written;
+            }
+        }
+        const amt_written = try write(out_fd, buf[0..amt_read]);
+        total_written += amt_written;
+        if (amt_written < in_len or in_len == 0) return total_written;
+    }
+
+    if (trailers.len != 0) {
+        total_written += try writev(out_fd, trailers);
+    }
+
+    return total_written;
+}
+
 pub const PollError = error{
     /// The kernel had no space to allocate file descriptor tables.
     SystemResources,
diff --git a/lib/std/os/bits/darwin.zig b/lib/std/os/bits/darwin.zig
index 22897974c228705575ca06f0091f66a3cf2eaa4f..fb933c6698d524b16ff43f436cd8488ce3525138 100644
--- a/lib/std/os/bits/darwin.zig
+++ b/lib/std/os/bits/darwin.zig
@@ -926,6 +926,9 @@ pub const ESOCKTNOSUPPORT = 44;
 /// Operation not supported
 pub const ENOTSUP = 45;
 
+/// Operation not supported. Alias of `ENOTSUP`.
+pub const EOPNOTSUPP = ENOTSUP;
+
 /// Protocol family not supported
 pub const EPFNOSUPPORT = 46;
 
diff --git a/lib/std/os/bits/linux/arm64.zig b/lib/std/os/bits/linux/arm64.zig
index 8dcebc5ddf004ed1e40a4b5ea230eba4f969099c..386e889873ba035bc752550a1925ee2735742839 100644
--- a/lib/std/os/bits/linux/arm64.zig
+++ b/lib/std/os/bits/linux/arm64.zig
@@ -82,6 +82,7 @@ pub const SYS_pread64 = 67;
 pub const SYS_pwrite64 = 68;
 pub const SYS_preadv = 69;
 pub const SYS_pwritev = 70;
+pub const SYS_sendfile = 71;
 pub const SYS_pselect6 = 72;
 pub const SYS_ppoll = 73;
 pub const SYS_signalfd4 = 74;
diff --git a/lib/std/os/linux.zig b/lib/std/os/linux.zig
index 30dba85e518665ece82b38a7ba35580afeaaf995..719e541846f1435c845b4bed795b74b20280e164 100644
--- a/lib/std/os/linux.zig
+++ b/lib/std/os/linux.zig
@@ -6,7 +6,7 @@
 //   provide `rename` when only the `renameat` syscall exists.
 // * Does not support POSIX thread cancellation.
 const std = @import("../std.zig");
-const builtin = @import("builtin");
+const builtin = std.builtin;
 const assert = std.debug.assert;
 const maxInt = std.math.maxInt;
 const elf = std.elf;
@@ -39,6 +39,13 @@ pub fn getauxval(index: usize) usize {
     return 0;
 }
 
+// Some architectures require 64bit parameters for some syscalls to be passed in
+// even-aligned register pair
+const require_aligned_register_pair = //
+    std.Target.current.cpu.arch.isMIPS() or
+    std.Target.current.cpu.arch.isARM() or
+    std.Target.current.cpu.arch.isThumb();
+
 /// Get the errno from a syscall return value, or 0 for no error.
 pub fn getErrno(r: usize) u12 {
     const signed_r = @bitCast(isize, r);
@@ -69,6 +76,10 @@ pub fn chdir(path: [*:0]const u8) usize {
     return syscall1(SYS_chdir, @ptrToInt(path));
 }
 
+pub fn fchdir(fd: fd_t) usize {
+    return syscall1(SYS_fchdir, @bitCast(usize, @as(isize, fd)));
+}
+
 pub fn chroot(path: [*:0]const u8) usize {
     return syscall1(SYS_chroot, @ptrToInt(path));
 }
@@ -316,8 +327,31 @@ pub fn symlinkat(existing: [*:0]const u8, newfd: i32, newpath: [*:0]const u8) us
     return syscall3(SYS_symlinkat, @ptrToInt(existing), @bitCast(usize, @as(isize, newfd)), @ptrToInt(newpath));
 }
 
-pub fn pread(fd: i32, buf: [*]u8, count: usize, offset: usize) usize {
-    return syscall4(SYS_pread, @bitCast(usize, @as(isize, fd)), @ptrToInt(buf), count, offset);
+pub fn pread(fd: i32, buf: [*]u8, count: usize, offset: u64) usize {
+    if (@hasDecl(@This(), "SYS_pread64")) {
+        if (require_aligned_register_pair) {
+            return syscall6(
+                SYS_pread64,
+                @bitCast(usize, @as(isize, fd)),
+                @ptrToInt(buf),
+                count,
+                0,
+                @truncate(usize, offset),
+                @truncate(usize, offset >> 32),
+            );
+        } else {
+            return syscall5(
+                SYS_pread64,
+                @bitCast(usize, @as(isize, fd)),
+                @ptrToInt(buf),
+                count,
+                @truncate(usize, offset),
+                @truncate(usize, offset >> 32),
+            );
+        }
+    } else {
+        return syscall4(SYS_pread, @bitCast(usize, @as(isize, fd)), @ptrToInt(buf), count, offset);
+    }
 }
 
 pub fn access(path: [*:0]const u8, mode: u32) usize {
@@ -333,7 +367,7 @@ pub fn faccessat(dirfd: i32, path: [*:0]const u8, mode: u32, flags: u32) usize {
 }
 
 pub fn pipe(fd: *[2]i32) usize {
-    if (builtin.arch == .mipsel) {
+    if (comptime builtin.arch.isMIPS()) {
         return syscall_pipe(fd);
     } else if (@hasDecl(@This(), "SYS_pipe")) {
         return syscall1(SYS_pipe, @ptrToInt(fd));
@@ -846,6 +880,26 @@ pub fn sendto(fd: i32, buf: [*]const u8, len: usize, flags: u32, addr: ?*const s
     return syscall6(SYS_sendto, @bitCast(usize, @as(isize, fd)), @ptrToInt(buf), len, flags, @ptrToInt(addr), @intCast(usize, alen));
 }
 
+pub fn sendfile(outfd: i32, infd: i32, offset: ?*i64, count: usize) usize {
+    if (@hasDecl(@This(), "SYS_sendfile64")) {
+        return syscall4(
+            SYS_sendfile64,
+            @bitCast(usize, @as(isize, outfd)),
+            @bitCast(usize, @as(isize, infd)),
+            @ptrToInt(offset),
+            count,
+        );
+    } else {
+        return syscall4(
+            SYS_sendfile,
+            @bitCast(usize, @as(isize, outfd)),
+            @bitCast(usize, @as(isize, infd)),
+            @ptrToInt(offset),
+            count,
+        );
+    }
+}
+
 pub fn socketpair(domain: i32, socket_type: i32, protocol: i32, fd: [2]i32) usize {
     if (builtin.arch == .i386) {
         return socketcall(SC_socketpair, &[4]usize{ @intCast(usize, domain), @intCast(usize, socket_type), @intCast(usize, protocol), @ptrToInt(&fd[0]) });
diff --git a/lib/std/os/test.zig b/lib/std/os/test.zig
index 197edd82c134090a7023cee19a319d63b419021f..5f97597537963210d75a16879d1d2ddb880b8b92 100644
--- a/lib/std/os/test.zig
+++ b/lib/std/os/test.zig
@@ -16,7 +16,7 @@ const AtomicRmwOp = builtin.AtomicRmwOp;
 const AtomicOrder = builtin.AtomicOrder;
 
 test "makePath, put some files in it, deleteTree" {
-    try fs.makePath(a, "os_test_tmp" ++ fs.path.sep_str ++ "b" ++ fs.path.sep_str ++ "c");
+    try fs.cwd().makePath("os_test_tmp" ++ fs.path.sep_str ++ "b" ++ fs.path.sep_str ++ "c");
     try io.writeFile("os_test_tmp" ++ fs.path.sep_str ++ "b" ++ fs.path.sep_str ++ "c" ++ fs.path.sep_str ++ "file.txt", "nonsense");
     try io.writeFile("os_test_tmp" ++ fs.path.sep_str ++ "b" ++ fs.path.sep_str ++ "file2.txt", "blah");
     try fs.deleteTree("os_test_tmp");
@@ -28,7 +28,7 @@ test "makePath, put some files in it, deleteTree" {
 }
 
 test "access file" {
-    try fs.makePath(a, "os_test_tmp");
+    try fs.cwd().makePath("os_test_tmp");
     if (fs.cwd().access("os_test_tmp" ++ fs.path.sep_str ++ "file.txt", .{})) |ok| {
         @panic("expected error");
     } else |err| {
@@ -44,6 +44,68 @@ fn testThreadIdFn(thread_id: *Thread.Id) void {
     thread_id.* = Thread.getCurrentId();
 }
 
+test "sendfile" {
+    try fs.cwd().makePath("os_test_tmp");
+    defer fs.deleteTree("os_test_tmp") catch {};
+
+    var dir = try fs.cwd().openDirList("os_test_tmp");
+    defer dir.close();
+
+    const line1 = "line1\n";
+    const line2 = "second line\n";
+    var vecs = [_]os.iovec_const{
+        .{
+            .iov_base = line1,
+            .iov_len = line1.len,
+        },
+        .{
+            .iov_base = line2,
+            .iov_len = line2.len,
+        },
+    };
+
+    var src_file = try dir.createFileC("sendfile1.txt", .{ .read = true });
+    defer src_file.close();
+
+    try src_file.writevAll(&vecs);
+
+    var dest_file = try dir.createFileC("sendfile2.txt", .{ .read = true });
+    defer dest_file.close();
+
+    const header1 = "header1\n";
+    const header2 = "second header\n";
+    const trailer1 = "trailer1\n";
+    const trailer2 = "second trailer\n";
+    var hdtr = [_]os.iovec_const{
+        .{
+            .iov_base = header1,
+            .iov_len = header1.len,
+        },
+        .{
+            .iov_base = header2,
+            .iov_len = header2.len,
+        },
+        .{
+            .iov_base = trailer1,
+            .iov_len = trailer1.len,
+        },
+        .{
+            .iov_base = trailer2,
+            .iov_len = trailer2.len,
+        },
+    };
+
+    var written_buf: [header1.len + header2.len + 10 + trailer1.len + trailer2.len]u8 = undefined;
+    try dest_file.writeFileAll(src_file, .{
+        .in_offset = 1,
+        .in_len = 10,
+        .headers_and_trailers = &hdtr,
+        .header_count = 2,
+    });
+    try dest_file.preadAll(&written_buf, 0);
+    expect(mem.eql(u8, &written_buf, "header1\nsecond header\nine1\nsecontrailer1\nsecond trailer\n"));
+}
+
 test "std.Thread.getCurrentId" {
     if (builtin.single_threaded) return error.SkipZigTest;
 
@@ -103,7 +165,7 @@ test "AtomicFile" {
     {
         var af = try fs.AtomicFile.init(test_out_file, File.default_mode);
         defer af.deinit();
-        try af.file.write(test_content);
+        try af.file.writeAll(test_content);
         try af.finish();
     }
     const content = try io.readFileAlloc(testing.allocator, test_out_file);
@@ -226,7 +288,7 @@ test "pipe" {
         return error.SkipZigTest;
 
     var fds = try os.pipe();
-    try os.write(fds[1], "hello");
+    expect((try os.write(fds[1], "hello")) == 5);
     var buf: [16]u8 = undefined;
     expect((try os.read(fds[0], buf[0..])) == 5);
     testing.expectEqualSlices(u8, buf[0..5], "hello");
@@ -248,7 +310,7 @@ test "memfd_create" {
         else => |e| return e,
     };
     defer std.os.close(fd);
-    try std.os.write(fd, "test");
+    expect((try std.os.write(fd, "test")) == 4);
     try std.os.lseek_SET(fd, 0);
 
     var buf: [10]u8 = undefined;
diff --git a/lib/std/os/windows.zig b/lib/std/os/windows.zig
index cc0d446b12003a1707529a77f00181caaec016c8..b8e14a220dbba57e0d4cef4352528cee4fe75b96 100644
--- a/lib/std/os/windows.zig
+++ b/lib/std/os/windows.zig
@@ -337,7 +337,7 @@ pub fn GetQueuedCompletionStatus(
 }
 
 pub fn CloseHandle(hObject: HANDLE) void {
-    assert(kernel32.CloseHandle(hObject) != 0);
+    assert(ntdll.NtClose(hObject) == .SUCCESS);
 }
 
 pub fn FindClose(hFindFile: HANDLE) void {
@@ -424,7 +424,7 @@ pub const WriteFileError = error{
     Unexpected,
 };
 
-pub fn WriteFile(handle: HANDLE, bytes: []const u8, offset: ?u64) WriteFileError!void {
+pub fn WriteFile(handle: HANDLE, bytes: []const u8, offset: ?u64) WriteFileError!usize {
     if (std.event.Loop.instance) |loop| {
         // TODO support async WriteFile with no offset
         const off = offset.?;
@@ -445,8 +445,8 @@ pub fn WriteFile(handle: HANDLE, bytes: []const u8, offset: ?u64) WriteFileError
         _ = CreateIoCompletionPort(fd, loop.os_data.io_port, undefined, undefined);
         loop.beginOneEvent();
         suspend {
-            // TODO replace this @intCast with a loop that writes all the bytes
-            _ = kernel32.WriteFile(fd, bytes.ptr, @intCast(windows.DWORD, bytes.len), null, &resume_node.base.overlapped);
+            const adjusted_len = math.cast(windows.DWORD, bytes.len) catch maxInt(windows.DWORD);
+            _ = kernel32.WriteFile(fd, bytes.ptr, adjusted_len, null, &resume_node.base.overlapped);
         }
         var bytes_transferred: windows.DWORD = undefined;
         if (kernel32.GetOverlappedResult(fd, &resume_node.base.overlapped, &bytes_transferred, FALSE) == 0) {
@@ -460,6 +460,7 @@ pub fn WriteFile(handle: HANDLE, bytes: []const u8, offset: ?u64) WriteFileError
                 else => |err| return windows.unexpectedError(err),
             }
         }
+        return bytes_transferred;
     } else {
         var bytes_written: DWORD = undefined;
         var overlapped_data: OVERLAPPED = undefined;
@@ -473,18 +474,19 @@ pub fn WriteFile(handle: HANDLE, bytes: []const u8, offset: ?u64) WriteFileError
             };
             break :blk &overlapped_data;
         } else null;
-        // TODO replace this @intCast with a loop that writes all the bytes
-        if (kernel32.WriteFile(handle, bytes.ptr, @intCast(u32, bytes.len), &bytes_written, overlapped) == 0) {
+        const adjusted_len = math.cast(u32, bytes.len) catch maxInt(u32);
+        if (kernel32.WriteFile(handle, bytes.ptr, adjusted_len, &bytes_written, overlapped) == 0) {
             switch (kernel32.GetLastError()) {
                 .INVALID_USER_BUFFER => return error.SystemResources,
                 .NOT_ENOUGH_MEMORY => return error.SystemResources,
                 .OPERATION_ABORTED => return error.OperationAborted,
                 .NOT_ENOUGH_QUOTA => return error.SystemResources,
-                .IO_PENDING => unreachable, // this function is for blocking files only
+                .IO_PENDING => unreachable,
                 .BROKEN_PIPE => return error.BrokenPipe,
                 else => |err| return unexpectedError(err),
             }
         }
+        return bytes_written;
     }
 }
 
@@ -584,23 +586,74 @@ pub fn MoveFileExW(old_path: [*:0]const u16, new_path: [*:0]const u16, flags: DW
 }
 
 pub const CreateDirectoryError = error{
+    NameTooLong,
     PathAlreadyExists,
     FileNotFound,
+    NoDevice,
+    AccessDenied,
     Unexpected,
 };
 
-pub fn CreateDirectory(pathname: []const u8, attrs: ?*SECURITY_ATTRIBUTES) CreateDirectoryError!void {
+/// Returns an open directory handle which the caller is responsible for closing with `CloseHandle`.
+pub fn CreateDirectory(dir: ?HANDLE, pathname: []const u8, sa: ?*SECURITY_ATTRIBUTES) CreateDirectoryError!HANDLE {
     const pathname_w = try sliceToPrefixedFileW(pathname);
-    return CreateDirectoryW(&pathname_w, attrs);
+    return CreateDirectoryW(dir, &pathname_w, sa);
 }
 
-pub fn CreateDirectoryW(pathname: [*:0]const u16, attrs: ?*SECURITY_ATTRIBUTES) CreateDirectoryError!void {
-    if (kernel32.CreateDirectoryW(pathname, attrs) == 0) {
-        switch (kernel32.GetLastError()) {
-            .ALREADY_EXISTS => return error.PathAlreadyExists,
-            .PATH_NOT_FOUND => return error.FileNotFound,
-            else => |err| return unexpectedError(err),
-        }
+/// Same as `CreateDirectory` except takes a WTF-16 encoded path.
+pub fn CreateDirectoryW(
+    dir: ?HANDLE,
+    sub_path_w: [*:0]const u16,
+    sa: ?*SECURITY_ATTRIBUTES,
+) CreateDirectoryError!HANDLE {
+    const path_len_bytes = math.cast(u16, mem.toSliceConst(u16, sub_path_w).len * 2) catch |err| switch (err) {
+        error.Overflow => return error.NameTooLong,
+    };
+    var nt_name = UNICODE_STRING{
+        .Length = path_len_bytes,
+        .MaximumLength = path_len_bytes,
+        .Buffer = @intToPtr([*]u16, @ptrToInt(sub_path_w)),
+    };
+
+    if (sub_path_w[0] == '.' and sub_path_w[1] == 0) {
+        // Windows does not recognize this, but it does work with empty string.
+        nt_name.Length = 0;
+    }
+
+    var attr = OBJECT_ATTRIBUTES{
+        .Length = @sizeOf(OBJECT_ATTRIBUTES),
+        .RootDirectory = if (std.fs.path.isAbsoluteWindowsW(sub_path_w)) null else dir,
+        .Attributes = 0, // Note we do not use OBJ_CASE_INSENSITIVE here.
+        .ObjectName = &nt_name,
+        .SecurityDescriptor = if (sa) |ptr| ptr.lpSecurityDescriptor else null,
+        .SecurityQualityOfService = null,
+    };
+    var io: IO_STATUS_BLOCK = undefined;
+    var result_handle: HANDLE = undefined;
+    const rc = ntdll.NtCreateFile(
+        &result_handle,
+        GENERIC_READ | SYNCHRONIZE,
+        &attr,
+        &io,
+        null,
+        FILE_ATTRIBUTE_NORMAL,
+        FILE_SHARE_READ,
+        FILE_CREATE,
+        FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT,
+        null,
+        0,
+    );
+    switch (rc) {
+        .SUCCESS => return result_handle,
+        .OBJECT_NAME_INVALID => unreachable,
+        .OBJECT_NAME_NOT_FOUND => return error.FileNotFound,
+        .OBJECT_PATH_NOT_FOUND => return error.FileNotFound,
+        .NO_MEDIA_IN_DEVICE => return error.NoDevice,
+        .INVALID_PARAMETER => unreachable,
+        .ACCESS_DENIED => return error.AccessDenied,
+        .OBJECT_PATH_SYNTAX_BAD => unreachable,
+        .OBJECT_NAME_COLLISION => return error.PathAlreadyExists,
+        else => return unexpectedStatus(rc),
     }
 }
 
diff --git a/lib/std/special/docs/index.html b/lib/std/special/docs/index.html
index d1eeb89c23678db9943824444b16351773fc8819..2683418aef02e48a715d910dfbfb295a049fe574 100644
--- a/lib/std/special/docs/index.html
+++ b/lib/std/special/docs/index.html
@@ -2,6 +2,7 @@
 <html lang="en">
   <head>
     <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>Documentation - Zig</title>
     <link rel="icon" href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAgklEQVR4AWMYWuD7EllJIM4G4g4g5oIJ/odhOJ8wToOxSTXgNxDHoeiBMfA4+wGShjyYOCkG/IGqWQziEzYAoUAeiF9D5U+DxEg14DRU7jWIT5IBIOdCxf+A+CQZAAoopEB7QJwBCBwHiip8UYmRdrAlDpIMgApwQZNnNii5Dq0MBgCxxycBnwEd+wAAAABJRU5ErkJggg==">
     <style>
@@ -25,6 +26,8 @@
         --search-sh-color: rgba(0, 0, 0, 0.18);
         --help-sh-color: rgba(0, 0, 0, 0.75);
       }
+      
+      html, body { margin: 0; padding:0; height: 100%; }
 
       a {
         text-decoration: none;
@@ -69,6 +72,7 @@
         max-width: 15vw;
         min-width: 9.5rem;
         overflow: auto;
+        -webkit-overflow-scrolling: touch;
         overflow-wrap: break-word;
         flex-shrink: 0;
         flex-grow: 0;
@@ -79,6 +83,7 @@
       .flex-right {
         display: flex;
         overflow: auto;
+        -webkit-overflow-scrolling: touch;
         flex-grow: 1;
         flex-shrink: 1;
         
@@ -175,6 +180,8 @@
         border-bottom-color: var(--tx-color);
         outline: none;
         transition: border-bottom-color 0.35s, background 0.35s, box-shadow 0.35s;
+        border-radius: 0;
+        -webkit-appearance: none;
       }
       
       .docs .search:focus {
@@ -258,12 +265,12 @@
         font-weight: bold;
       }
       
-      #listFnExamples {
+      .examples {
         list-style-type: none;
         margin: 0;
         padding: 0;
       }
-      #listFnExamples li {
+      .examples li {
         padding: 0.5em 0;
         white-space: nowrap;
         overflow-x: auto;
@@ -435,6 +442,76 @@
         }
         
       }
+
+      @media only screen and (max-width: 750px) {
+        .canvas {
+          overflow: auto;
+        }
+        .flex-main {
+          flex-direction: column;
+          display: block;
+        }
+        .sidebar {
+          min-width: calc(100vw - 2.8rem);
+          padding-left: 1.4rem;
+          padding-right: 1.4rem;
+        }
+        .logo {
+          max-width: 6.5rem;
+        }
+        .flex-main > .flex-filler {
+          display: none;
+        }
+        .flex-main > .flex-right > .flex-filler {
+          display: none;
+        }
+        .flex-main > .flex-right > .wrap {
+          max-width: 100vw;
+        }
+        .flex-main > .flex-right > .wrap > .docs {
+          padding-right: 1.4rem;
+          background: transparent;
+        }
+        .packages {
+          display: flex;
+          flex-wrap: wrap;
+        }
+        .table-container table {
+          display: flex;
+          flex-direction: column;
+        }
+        .table-container tr {
+          display: flex;
+          flex-direction: column;
+        }
+        .examples {
+          overflow-x: scroll;
+          -webkit-overflow-scrolling: touch;
+          max-width: 100vw;
+          margin-left: -1.4rem;
+          margin-right: -1.4rem;
+        }
+        .examples li {
+          width: max-content;
+          padding-left: 1.4rem;
+          padding-right: 1.4rem;
+        }
+        .mobile-scroll-container {
+          overflow-x: scroll;
+          -webkit-overflow-scrolling: touch;
+          margin-left: -1.4rem;
+          margin-right: -1.4rem;
+          max-width: 100vw;
+        }
+        .mobile-scroll-container > .scroll-item {
+          margin-left: 1.4rem;
+          margin-right: 1.4rem;
+          box-sizing: border-box;
+          width: max-content;
+          display: inline-block;
+          min-width: calc(100% - 2.8rem);
+        }
+      }
     </style>
   </head>
   <body class="canvas">
@@ -471,7 +548,7 @@
             <p id="status">Loading...</p>
             <div id="sectNav" class="hidden"><ul id="listNav"></ul></div>
             <div id="fnProto" class="hidden">
-              <pre id="fnProtoCode"></pre>
+              <div class="mobile-scroll-container"><pre id="fnProtoCode" class="scroll-item"></pre></div>
             </div>
             <h1 id="hdrName" class="hidden"></h1>
             <div id="fnNoExamples" class="hidden">
@@ -518,21 +595,27 @@
             </div>
             <div id="sectGlobalVars" class="hidden">
               <h2>Global Variables</h2>
-              <table>
-                <tbody id="listGlobalVars"></tbody>
-              </table>
+              <div class="table-container">
+                <table>
+                  <tbody id="listGlobalVars"></tbody>
+                </table>
+              </div>
             </div>
             <div id="sectFns" class="hidden">
               <h2>Functions</h2>
-              <table>
-                <tbody id="listFns"></tbody>
-              </table>
+              <div class="table-container">
+                <table>
+                  <tbody id="listFns"></tbody>
+                </table>
+              </div>
             </div>
             <div id="sectValues" class="hidden">
               <h2>Values</h2>
-              <table>
-                <tbody id="listValues"></tbody>
-              </table>
+              <div class="table-container">
+                <table>
+                  <tbody id="listValues"></tbody>
+                </table>
+              </div>
             </div>
             <div id="sectErrSets" class="hidden">
               <h2>Error Sets</h2>
@@ -540,7 +623,7 @@
             </div>
             <div id="fnExamples" class="hidden">
               <h2>Examples</h2>
-              <ul id="listFnExamples"></ul>
+              <ul id="listFnExamples" class="examples"></ul>
             </div>
           </section>
         </div>
diff --git a/lib/std/special/docs/main.js b/lib/std/special/docs/main.js
index 138f79887d5d5eaf8924935df77ffedf2b34bb82..b11e10caa76be17fb892f3d5bb042e7267dcc902 100644
--- a/lib/std/special/docs/main.js
+++ b/lib/std/special/docs/main.js
@@ -1086,7 +1086,7 @@
                 var fieldNode = zigAnalysis.astNodes[containerNode.fields[i]];
                 var divDom = domListFields.children[i];
 
-                var html = '<pre>' + escapeHtml(fieldNode.name);
+                var html = '<div class="mobile-scroll-container"><pre class="scroll-item">' + escapeHtml(fieldNode.name);
 
                 if (container.kind === typeKinds.Enum) {
                     html += ' = <span class="tok-number">' + field + '</span>';
@@ -1099,7 +1099,7 @@
                     }
                 }
 
-                html += ',</pre>';
+                html += ',</pre></div>';
 
                 var docs = fieldNode.docs;
                 if (docs != null) {
diff --git a/lib/std/target.zig b/lib/std/target.zig
index 778a93b90dd91ccb4e9a29dad20d1d9ba44bd97f..74c5362a0073953c945f1047ca550af28d876835 100644
--- a/lib/std/target.zig
+++ b/lib/std/target.zig
@@ -146,7 +146,6 @@ pub const Target = struct {
                     .freestanding,
                     .ananas,
                     .cloudabi,
-                    .dragonfly,
                     .fuchsia,
                     .kfreebsd,
                     .lv2,
@@ -215,6 +214,12 @@ pub const Target = struct {
                             .max = .{ .major = 6, .minor = 6 },
                         },
                     },
+                    .dragonfly => return .{
+                        .semver = .{
+                            .min = .{ .major = 5, .minor = 8 },
+                            .max = .{ .major = 5, .minor = 8 },
+                        },
+                    },
 
                     .linux => return .{
                         .linux = .{
diff --git a/lib/std/zig/cross_target.zig b/lib/std/zig/cross_target.zig
index 38ce6549f38f53a7dadd00ab386c5cd31b205eba..cec3ea05e5ce82d90659c02c7497514da0100858 100644
--- a/lib/std/zig/cross_target.zig
+++ b/lib/std/zig/cross_target.zig
@@ -102,7 +102,6 @@ pub const CrossTarget = struct {
             .freestanding,
             .ananas,
             .cloudabi,
-            .dragonfly,
             .fuchsia,
             .kfreebsd,
             .lv2,
@@ -135,10 +134,11 @@ pub const CrossTarget = struct {
             .freebsd,
             .macosx,
             .ios,
-            .netbsd,
-            .openbsd,
             .tvos,
             .watchos,
+            .netbsd,
+            .openbsd,
+            .dragonfly,
             => {
                 self.os_version_min = .{ .semver = os.version_range.semver.min };
                 self.os_version_max = .{ .semver = os.version_range.semver.max };
@@ -355,8 +355,10 @@ pub const CrossTarget = struct {
     }
 
     pub fn getCpuModel(self: CrossTarget) *const Target.Cpu.Model {
-        if (self.cpu_model) |cpu_model| return cpu_model;
-        return self.getCpu().model;
+        return switch (self.cpu_model) {
+            .explicit => |cpu_model| cpu_model,
+            else => self.getCpu().model,
+        };
     }
 
     pub fn getCpuFeatures(self: CrossTarget) Target.Cpu.Feature.Set {
@@ -645,7 +647,7 @@ pub const CrossTarget = struct {
         self.glibc_version = SemVer{ .major = major, .minor = minor, .patch = patch };
     }
 
-    pub fn getObjectFormat(self: CrossTarget) ObjectFormat {
+    pub fn getObjectFormat(self: CrossTarget) Target.ObjectFormat {
         return Target.getObjectFormatSimple(self.getOsTag(), self.getCpuArch());
     }
 
@@ -675,9 +677,7 @@ pub const CrossTarget = struct {
             .freestanding,
             .ananas,
             .cloudabi,
-            .dragonfly,
             .fuchsia,
-            .ios,
             .kfreebsd,
             .lv2,
             .solaris,
@@ -692,8 +692,6 @@ pub const CrossTarget = struct {
             .amdhsa,
             .ps4,
             .elfiamcu,
-            .tvos,
-            .watchos,
             .mesa3d,
             .contiki,
             .amdpal,
@@ -707,9 +705,13 @@ pub const CrossTarget = struct {
 
             .freebsd,
             .macosx,
+            .ios,
+            .tvos,
+            .watchos,
             .netbsd,
             .openbsd,
             .linux,
+            .dragonfly,
             => {
                 var range_it = mem.separate(version_text, "...");
 
diff --git a/lib/std/zig/render.zig b/lib/std/zig/render.zig
index ee6ee37d5d1ae26f59f0caf9e9082d1f516f6f97..625aef31319732cc1c540054277a61dccac11b77 100644
--- a/lib/std/zig/render.zig
+++ b/lib/std/zig/render.zig
@@ -29,7 +29,7 @@ pub fn render(allocator: *mem.Allocator, stream: var, tree: *ast.Tree) (@TypeOf(
         source_index: usize,
         source: []const u8,
 
-        fn write(iface_stream: *Stream, bytes: []const u8) StreamError!void {
+        fn write(iface_stream: *Stream, bytes: []const u8) StreamError!usize {
             const self = @fieldParentPtr(MyStream, "stream", iface_stream);
 
             if (!self.anything_changed_ptr.*) {
@@ -45,7 +45,7 @@ pub fn render(allocator: *mem.Allocator, stream: var, tree: *ast.Tree) (@TypeOf(
                 }
             }
 
-            try self.child_stream.write(bytes);
+            return self.child_stream.writeOnce(bytes);
         }
     };
     var my_stream = MyStream{
@@ -2443,14 +2443,15 @@ const FindByteOutStream = struct {
         };
     }
 
-    fn writeFn(out_stream: *Stream, bytes: []const u8) Error!void {
+    fn writeFn(out_stream: *Stream, bytes: []const u8) Error!usize {
         const self = @fieldParentPtr(Self, "stream", out_stream);
-        if (self.byte_found) return;
+        if (self.byte_found) return bytes.len;
         self.byte_found = blk: {
             for (bytes) |b|
                 if (b == self.byte) break :blk true;
             break :blk false;
         };
+        return bytes.len;
     }
 };
 
diff --git a/lib/std/zig/system.zig b/lib/std/zig/system.zig
index 38a90f4c60e4b9b3c0fcd0a932127078673dbc69..7f0609c1123e8511d46156acc2f3f2c817c6ad51 100644
--- a/lib/std/zig/system.zig
+++ b/lib/std/zig/system.zig
@@ -796,6 +796,7 @@ pub const NativeTargetInfo = struct {
                 error.SystemResources => return error.SystemResources,
                 error.IsDir => return error.UnableToReadElfFile,
                 error.BrokenPipe => return error.UnableToReadElfFile,
+                error.Unseekable => return error.UnableToReadElfFile,
                 error.ConnectionResetByPeer => return error.UnableToReadElfFile,
                 error.Unexpected => return error.Unexpected,
                 error.InputOutput => return error.FileSystem,
diff --git a/src-self-hosted/compilation.zig b/src-self-hosted/compilation.zig
index 611e279bfecf5712e17c5289d4b7b2da79bbbcb0..73b4acd6ccc62d36fab969170ba829b2869e1179 100644
--- a/src-self-hosted/compilation.zig
+++ b/src-self-hosted/compilation.zig
@@ -1176,7 +1176,7 @@ pub const Compilation = struct {
         defer self.gpa().free(zig_dir_path);
 
         const tmp_dir = try fs.path.join(self.arena(), &[_][]const u8{ zig_dir_path, comp_dir_name[0..] });
-        try fs.makePath(self.gpa(), tmp_dir);
+        try fs.cwd().makePath(tmp_dir);
         return tmp_dir;
     }
 
diff --git a/src-self-hosted/introspect.zig b/src-self-hosted/introspect.zig
index c7f5690cc3938acb51539897b6e2521966018e13..880a1d790a52bff59ac5456748e96d6c2d895277 100644
--- a/src-self-hosted/introspect.zig
+++ b/src-self-hosted/introspect.zig
@@ -8,13 +8,32 @@ const warn = std.debug.warn;
 
 /// Caller must free result
 pub fn testZigInstallPrefix(allocator: *mem.Allocator, test_path: []const u8) ![]u8 {
-    const test_zig_dir = try fs.path.join(allocator, &[_][]const u8{ test_path, "lib", "zig" });
+    {
+        const test_zig_dir = try fs.path.join(allocator, &[_][]const u8{ test_path, "lib", "zig" });
+        errdefer allocator.free(test_zig_dir);
+
+        const test_index_file = try fs.path.join(allocator, &[_][]const u8{ test_zig_dir, "std", "std.zig" });
+        defer allocator.free(test_index_file);
+
+        if (fs.cwd().openFile(test_index_file, .{})) |file| {
+            file.close();
+            return test_zig_dir;
+        } else |err| switch (err) {
+            error.FileNotFound => {
+                allocator.free(test_zig_dir);
+            },
+            else => |e| return e,
+        }
+    }
+
+    // Also try without "zig"
+    const test_zig_dir = try fs.path.join(allocator, &[_][]const u8{ test_path, "lib" });
     errdefer allocator.free(test_zig_dir);
 
     const test_index_file = try fs.path.join(allocator, &[_][]const u8{ test_zig_dir, "std", "std.zig" });
     defer allocator.free(test_index_file);
 
-    var file = try fs.cwd().openRead(test_index_file);
+    const file = try fs.cwd().openFile(test_index_file, .{});
     file.close();
 
     return test_zig_dir;
diff --git a/src-self-hosted/print_targets.zig b/src-self-hosted/print_targets.zig
index be024a2a04e41b8aca25deb66592d90fd63f74d4..bb3841ba24988315301f01a1d02c050a1b480fe2 100644
--- a/src-self-hosted/print_targets.zig
+++ b/src-self-hosted/print_targets.zig
@@ -4,6 +4,9 @@ const io = std.io;
 const mem = std.mem;
 const Allocator = mem.Allocator;
 const Target = std.Target;
+const assert = std.debug.assert;
+
+const introspect = @import("introspect.zig");
 
 // TODO this is hard-coded until self-hosted gains this information canonically
 const available_libcs = [_][]const u8{
@@ -55,57 +58,40 @@ const available_libcs = [_][]const u8{
     "x86_64-windows-gnu",
 };
 
-// TODO this is hard-coded until self-hosted gains this information canonically
-const available_glibcs = [_][]const u8{
-    "2.0",
-    "2.1",
-    "2.1.1",
-    "2.1.2",
-    "2.1.3",
-    "2.2",
-    "2.2.1",
-    "2.2.2",
-    "2.2.3",
-    "2.2.4",
-    "2.2.5",
-    "2.2.6",
-    "2.3",
-    "2.3.2",
-    "2.3.3",
-    "2.3.4",
-    "2.4",
-    "2.5",
-    "2.6",
-    "2.7",
-    "2.8",
-    "2.9",
-    "2.10",
-    "2.11",
-    "2.12",
-    "2.13",
-    "2.14",
-    "2.15",
-    "2.16",
-    "2.17",
-    "2.18",
-    "2.19",
-    "2.22",
-    "2.23",
-    "2.24",
-    "2.25",
-    "2.26",
-    "2.27",
-    "2.28",
-    "2.29",
-    "2.30",
-};
-
 pub fn cmdTargets(
     allocator: *Allocator,
     args: []const []const u8,
     stdout: *io.OutStream(fs.File.WriteError),
     native_target: Target,
 ) !void {
+    const available_glibcs = blk: {
+        const zig_lib_dir = introspect.resolveZigLibDir(allocator) catch |err| {
+            std.debug.warn("unable to find zig installation directory: {}\n", .{@errorName(err)});
+            std.process.exit(1);
+        };
+        defer allocator.free(zig_lib_dir);
+
+        var dir = try std.fs.cwd().openDirList(zig_lib_dir);
+        defer dir.close();
+
+        const vers_txt = try dir.readFileAlloc(allocator, "libc/glibc/vers.txt", 10 * 1024);
+        defer allocator.free(vers_txt);
+
+        var list = std.ArrayList(std.builtin.Version).init(allocator);
+        defer list.deinit();
+
+        var it = mem.tokenize(vers_txt, "\r\n");
+        while (it.next()) |line| {
+            const prefix = "GLIBC_";
+            assert(mem.startsWith(u8, line, prefix));
+            const adjusted_line = line[prefix.len..];
+            const ver = try std.builtin.Version.parse(adjusted_line);
+            try list.append(ver);
+        }
+        break :blk list.toOwnedSlice();
+    };
+    defer allocator.free(available_glibcs);
+
     const BOS = io.BufferedOutStream(fs.File.WriteError);
     var bos = BOS.init(stdout);
     var jws = std.json.WriteStream(BOS.Stream, 6).init(&bos.stream);
@@ -150,7 +136,10 @@ pub fn cmdTargets(
     try jws.beginArray();
     for (available_glibcs) |glibc| {
         try jws.arrayElem();
-        try jws.emitString(glibc);
+
+        const tmp = try std.fmt.allocPrint(allocator, "{}", .{glibc});
+        defer allocator.free(tmp);
+        try jws.emitString(tmp);
     }
     try jws.endArray();
 
diff --git a/src-self-hosted/test.zig b/src-self-hosted/test.zig
index 8c322e5fb62aa64bb9fe09dec31e3f446f16602a..e87164c9fb471f243a85c6708902f4c333f9d7a8 100644
--- a/src-self-hosted/test.zig
+++ b/src-self-hosted/test.zig
@@ -56,7 +56,7 @@ pub const TestContext = struct {
         self.zig_lib_dir = try introspect.resolveZigLibDir(allocator);
         errdefer allocator.free(self.zig_lib_dir);
 
-        try std.fs.makePath(allocator, tmp_dir_name);
+        try std.fs.cwd().makePath(tmp_dir_name);
         errdefer std.fs.deleteTree(tmp_dir_name) catch {};
     }
 
@@ -85,7 +85,7 @@ pub const TestContext = struct {
         const file1_path = try std.fs.path.join(allocator, [_][]const u8{ tmp_dir_name, file_index, file1 });
 
         if (std.fs.path.dirname(file1_path)) |dirname| {
-            try std.fs.makePath(allocator, dirname);
+            try std.fs.cwd().makePath(dirname);
         }
 
         // TODO async I/O
@@ -119,7 +119,7 @@ pub const TestContext = struct {
 
         const output_file = try std.fmt.allocPrint(allocator, "{}-out{}", .{ file1_path, (Target{ .Native = {} }).exeFileExt() });
         if (std.fs.path.dirname(file1_path)) |dirname| {
-            try std.fs.makePath(allocator, dirname);
+            try std.fs.cwd().makePath(dirname);
         }
 
         // TODO async I/O
diff --git a/src/codegen.cpp b/src/codegen.cpp
index 55a9fa67fff358720a80a6e294575f22d5cf19de..f41bbe5c16fa60cf2924a1e426fc879e2bf8cec8 100644
--- a/src/codegen.cpp
+++ b/src/codegen.cpp
@@ -10386,6 +10386,61 @@ static void resolve_out_paths(CodeGen *g) {
     }
 }
 
+static void output_type_information(CodeGen *g) {
+    if (g->enable_dump_analysis) {
+        const char *analysis_json_filename = buf_ptr(buf_sprintf("%s" OS_SEP "%s-analysis.json",
+                    buf_ptr(g->output_dir), buf_ptr(g->root_out_name)));
+        FILE *f = fopen(analysis_json_filename, "wb");
+        if (f == nullptr) {
+            fprintf(stderr, "Unable to open '%s': %s\n", analysis_json_filename, strerror(errno));
+            exit(1);
+        }
+        zig_print_analysis_dump(g, f, " ", "\n");
+        if (fclose(f) != 0) {
+            fprintf(stderr, "Unable to write '%s': %s\n", analysis_json_filename, strerror(errno));
+            exit(1);
+        }
+    }
+    if (g->enable_doc_generation) {
+        Error err;
+        Buf *doc_dir_path = buf_sprintf("%s" OS_SEP "docs", buf_ptr(g->output_dir));
+        if ((err = os_make_path(doc_dir_path))) {
+            fprintf(stderr, "Unable to create directory %s: %s\n", buf_ptr(doc_dir_path), err_str(err));
+            exit(1);
+        }
+        Buf *index_html_src_path = buf_sprintf("%s" OS_SEP "special" OS_SEP "docs" OS_SEP "index.html",
+                buf_ptr(g->zig_std_dir));
+        Buf *index_html_dest_path = buf_sprintf("%s" OS_SEP "index.html", buf_ptr(doc_dir_path));
+        Buf *main_js_src_path = buf_sprintf("%s" OS_SEP "special" OS_SEP "docs" OS_SEP "main.js",
+                buf_ptr(g->zig_std_dir));
+        Buf *main_js_dest_path = buf_sprintf("%s" OS_SEP "main.js", buf_ptr(doc_dir_path));
+
+        if ((err = os_copy_file(index_html_src_path, index_html_dest_path))) {
+            fprintf(stderr, "Unable to copy %s to %s: %s\n", buf_ptr(index_html_src_path),
+                    buf_ptr(index_html_dest_path), err_str(err));
+            exit(1);
+        }
+        if ((err = os_copy_file(main_js_src_path, main_js_dest_path))) {
+            fprintf(stderr, "Unable to copy %s to %s: %s\n", buf_ptr(main_js_src_path),
+                    buf_ptr(main_js_dest_path), err_str(err));
+            exit(1);
+        }
+        const char *data_js_filename = buf_ptr(buf_sprintf("%s" OS_SEP "data.js", buf_ptr(doc_dir_path)));
+        FILE *f = fopen(data_js_filename, "wb");
+        if (f == nullptr) {
+            fprintf(stderr, "Unable to open '%s': %s\n", data_js_filename, strerror(errno));
+            exit(1);
+        }
+        fprintf(f, "zigAnalysis=");
+        zig_print_analysis_dump(g, f, "", "");
+        fprintf(f, ";");
+        if (fclose(f) != 0) {
+            fprintf(stderr, "Unable to write '%s': %s\n", data_js_filename, strerror(errno));
+            exit(1);
+        }
+    }
+}
+
 void codegen_build_and_link(CodeGen *g) {
     Error err;
     assert(g->out_type != OutTypeUnknown);
@@ -10460,6 +10515,10 @@ void codegen_build_and_link(CodeGen *g) {
         }
         resolve_out_paths(g);
 
+        if (g->enable_dump_analysis || g->enable_doc_generation) {
+            output_type_information(g);
+        }
+
         if (need_llvm_module(g)) {
             codegen_add_time_event(g, "Code Generation");
             {
@@ -10487,57 +10546,6 @@ void codegen_build_and_link(CodeGen *g) {
                 gen_h_file(g);
             }
         }
-        if (g->enable_dump_analysis) {
-            const char *analysis_json_filename = buf_ptr(buf_sprintf("%s" OS_SEP "%s-analysis.json",
-                        buf_ptr(g->output_dir), buf_ptr(g->root_out_name)));
-            FILE *f = fopen(analysis_json_filename, "wb");
-            if (f == nullptr) {
-                fprintf(stderr, "Unable to open '%s': %s\n", analysis_json_filename, strerror(errno));
-                exit(1);
-            }
-            zig_print_analysis_dump(g, f, " ", "\n");
-            if (fclose(f) != 0) {
-                fprintf(stderr, "Unable to write '%s': %s\n", analysis_json_filename, strerror(errno));
-                exit(1);
-            }
-        }
-        if (g->enable_doc_generation) {
-            Buf *doc_dir_path = buf_sprintf("%s" OS_SEP "docs", buf_ptr(g->output_dir));
-            if ((err = os_make_path(doc_dir_path))) {
-                fprintf(stderr, "Unable to create directory %s: %s\n", buf_ptr(doc_dir_path), err_str(err));
-                exit(1);
-            }
-            Buf *index_html_src_path = buf_sprintf("%s" OS_SEP "special" OS_SEP "docs" OS_SEP "index.html",
-                    buf_ptr(g->zig_std_dir));
-            Buf *index_html_dest_path = buf_sprintf("%s" OS_SEP "index.html", buf_ptr(doc_dir_path));
-            Buf *main_js_src_path = buf_sprintf("%s" OS_SEP "special" OS_SEP "docs" OS_SEP "main.js",
-                    buf_ptr(g->zig_std_dir));
-            Buf *main_js_dest_path = buf_sprintf("%s" OS_SEP "main.js", buf_ptr(doc_dir_path));
-
-            if ((err = os_copy_file(index_html_src_path, index_html_dest_path))) {
-                fprintf(stderr, "Unable to copy %s to %s: %s\n", buf_ptr(index_html_src_path),
-                        buf_ptr(index_html_dest_path), err_str(err));
-                exit(1);
-            }
-            if ((err = os_copy_file(main_js_src_path, main_js_dest_path))) {
-                fprintf(stderr, "Unable to copy %s to %s: %s\n", buf_ptr(main_js_src_path),
-                        buf_ptr(main_js_dest_path), err_str(err));
-                exit(1);
-            }
-            const char *data_js_filename = buf_ptr(buf_sprintf("%s" OS_SEP "data.js", buf_ptr(doc_dir_path)));
-            FILE *f = fopen(data_js_filename, "wb");
-            if (f == nullptr) {
-                fprintf(stderr, "Unable to open '%s': %s\n", data_js_filename, strerror(errno));
-                exit(1);
-            }
-            fprintf(f, "zigAnalysis=");
-            zig_print_analysis_dump(g, f, "", "");
-            fprintf(f, ";");
-            if (fclose(f) != 0) {
-                fprintf(stderr, "Unable to write '%s': %s\n", data_js_filename, strerror(errno));
-                exit(1);
-            }
-        }
 
         // If we're outputting assembly or llvm IR we skip linking.
         // If we're making a library or executable we must link.
diff --git a/test/cli.zig b/test/cli.zig
index 117c714a29ba295111171a67b331d07ad1f55488..9bc4a21c902e0a12ea0c3f0d024d4cb038544566 100644
--- a/test/cli.zig
+++ b/test/cli.zig
@@ -37,7 +37,7 @@ pub fn main() !void {
     };
     for (test_fns) |testFn| {
         try fs.deleteTree(dir_path);
-        try fs.makeDir(dir_path);
+        try fs.cwd().makeDir(dir_path);
         try testFn(zig_exe, dir_path);
     }
 }
diff --git a/test/standalone/cat/main.zig b/test/standalone/cat/main.zig
index 34439f9c242d86301d10d72559fa682fc69ddf6c..8539a0de0f5b5874e425c7787ddd72e00ed37b9c 100644
--- a/test/standalone/cat/main.zig
+++ b/test/standalone/cat/main.zig
@@ -42,6 +42,7 @@ fn usage(exe: []const u8) !void {
     return error.Invalid;
 }
 
+// TODO use copy_file_range
 fn cat_file(stdout: fs.File, file: fs.File) !void {
     var buf: [1024 * 4]u8 = undefined;
 
@@ -55,7 +56,7 @@ fn cat_file(stdout: fs.File, file: fs.File) !void {
             break;
         }
 
-        stdout.write(buf[0..bytes_read]) catch |err| {
+        stdout.writeAll(buf[0..bytes_read]) catch |err| {
             warn("Unable to write to stdout: {}\n", .{@errorName(err)});
             return err;
         };
diff --git a/test/standalone/hello_world/hello.zig b/test/standalone/hello_world/hello.zig
index e3fc5c0e3eab4b688f1e77c2ff6cd0661436eb5f..eabb226eb2ccd93b053baaa73d68f1c63dc46f5e 100644
--- a/test/standalone/hello_world/hello.zig
+++ b/test/standalone/hello_world/hello.zig
@@ -1,8 +1,5 @@
 const std = @import("std");
 
 pub fn main() !void {
-    const stdout_file = std.io.getStdOut();
-    // If this program encounters pipe failure when printing to stdout, exit
-    // with an error.
-    try stdout_file.write("Hello, world!\n");
+    try std.io.getStdOut().writeAll("Hello, World!\n");
 }
diff --git a/tools/process_headers.zig b/tools/process_headers.zig
index 9952147aac946fa3473154b935b18f9d08391140..abdc9fabf944c38683677d266e26f1e5a7d9a179 100644
--- a/tools/process_headers.zig
+++ b/tools/process_headers.zig
@@ -11,10 +11,9 @@
 // You'll then have to manually update Zig source repo with these new files.
 
 const std = @import("std");
-const builtin = @import("builtin");
-const Arch = builtin.Arch;
-const Abi = builtin.Abi;
-const Os = builtin.Os;
+const Arch = std.Target.Cpu.Arch;
+const Abi = std.Target.Abi;
+const OsTag = std.Target.Os.Tag;
 const assert = std.debug.assert;
 
 const LibCTarget = struct {
@@ -29,12 +28,12 @@ const MultiArch = union(enum) {
     mips,
     mips64,
     powerpc64,
-    specific: @TagType(Arch),
+    specific: Arch,
 
     fn eql(a: MultiArch, b: MultiArch) bool {
         if (@enumToInt(a) != @enumToInt(b))
             return false;
-        if (@TagType(MultiArch)(a) != .specific)
+        if (a != .specific)
             return true;
         return a.specific == b.specific;
     }
@@ -221,7 +220,7 @@ const musl_targets = [_]LibCTarget{
 
 const DestTarget = struct {
     arch: MultiArch,
-    os: Os,
+    os: OsTag,
     abi: Abi,
 
     fn hash(a: DestTarget) u32 {
@@ -305,8 +304,8 @@ pub fn main() !void {
     // TODO compiler crashed when I wrote this the canonical way
     var libc_targets: []const LibCTarget = undefined;
     switch (vendor) {
-        .musl => libc_targets = musl_targets,
-        .glibc => libc_targets = glibc_targets,
+        .musl => libc_targets = &musl_targets,
+        .glibc => libc_targets = &glibc_targets,
     }
 
     var path_table = PathTable.init(allocator);
@@ -340,15 +339,17 @@ pub fn main() !void {
             try dir_stack.append(target_include_dir);
 
             while (dir_stack.popOrNull()) |full_dir_name| {
-                var dir = std.fs.Dir.cwd().openDirList(full_dir_name) catch |err| switch (err) {
+                var dir = std.fs.cwd().openDirList(full_dir_name) catch |err| switch (err) {
                     error.FileNotFound => continue :search,
                     error.AccessDenied => continue :search,
                     else => return err,
                 };
                 defer dir.close();
 
-                while (try dir.next()) |entry| {
-                    const full_path = try std.fs.path.join(allocator, [_][]const u8{ full_dir_name, entry.name });
+                var dir_it = dir.iterate();
+
+                while (try dir_it.next()) |entry| {
+                    const full_path = try std.fs.path.join(allocator, &[_][]const u8{ full_dir_name, entry.name });
                     switch (entry.kind) {
                         .Directory => try dir_stack.append(full_path),
                         .File => {
@@ -396,8 +397,8 @@ pub fn main() !void {
             std.debug.warn("warning: libc target not found: {}\n", .{libc_target.name});
         }
     }
-    std.debug.warn("summary: {Bi:2} could be reduced to {Bi:2}\n", .{total_bytes, total_bytes - max_bytes_saved});
-    try std.fs.makePath(allocator, out_dir);
+    std.debug.warn("summary: {Bi:2} could be reduced to {Bi:2}\n", .{ total_bytes, total_bytes - max_bytes_saved });
+    try std.fs.cwd().makePath(out_dir);
 
     var missed_opportunity_bytes: usize = 0;
     // iterate path_table. for each path, put all the hashes into a list. sort by hit_count.
@@ -417,15 +418,15 @@ pub fn main() !void {
         var best_contents = contents_list.popOrNull().?;
         if (best_contents.hit_count > 1) {
             // worth it to make it generic
-            const full_path = try std.fs.path.join(allocator, [_][]const u8{ out_dir, generic_name, path_kv.key });
-            try std.fs.makePath(allocator, std.fs.path.dirname(full_path).?);
+            const full_path = try std.fs.path.join(allocator, &[_][]const u8{ out_dir, generic_name, path_kv.key });
+            try std.fs.cwd().makePath(std.fs.path.dirname(full_path).?);
             try std.io.writeFile(full_path, best_contents.bytes);
             best_contents.is_generic = true;
             while (contents_list.popOrNull()) |contender| {
                 if (contender.hit_count > 1) {
                     const this_missed_bytes = contender.hit_count * contender.bytes.len;
                     missed_opportunity_bytes += this_missed_bytes;
-                    std.debug.warn("Missed opportunity ({Bi:2}): {}\n", .{this_missed_bytes, path_kv.key});
+                    std.debug.warn("Missed opportunity ({Bi:2}): {}\n", .{ this_missed_bytes, path_kv.key });
                 } else break;
             }
         }
@@ -444,8 +445,8 @@ pub fn main() !void {
                 @tagName(dest_target.os),
                 @tagName(dest_target.abi),
             });
-            const full_path = try std.fs.path.join(allocator, [_][]const u8{ out_dir, out_subpath, path_kv.key });
-            try std.fs.makePath(allocator, std.fs.path.dirname(full_path).?);
+            const full_path = try std.fs.path.join(allocator, &[_][]const u8{ out_dir, out_subpath, path_kv.key });
+            try std.fs.cwd().makePath(std.fs.path.dirname(full_path).?);
             try std.io.writeFile(full_path, contents.bytes);
         }
     }
diff --git a/tools/update_glibc.zig b/tools/update_glibc.zig
index b97f81d286b53ea1bcc5e7df5c135f2036387ab3..84522aabe450b990dce959133d35dd005c0a19a1 100644
--- a/tools/update_glibc.zig
+++ b/tools/update_glibc.zig
@@ -1,5 +1,4 @@
 const std = @import("std");
-const builtin = @import("builtin");
 const fs = std.fs;
 const fmt = std.fmt;
 const assert = std.debug.assert;
@@ -11,8 +10,8 @@ const AbiList = struct {
     path: []const u8,
 };
 const ZigTarget = struct {
-    arch: @TagType(builtin.Arch),
-    abi: builtin.Abi,
+    arch: std.Target.Cpu.Arch,
+    abi: std.Target.Abi,
 };
 
 const lib_names = [_][]const u8{
@@ -27,18 +26,18 @@ const lib_names = [_][]const u8{
 // n64/n32 are hardcoded elsewhere, based on .gnuabi64/.gnuabin32
 const abi_lists = [_]AbiList{
     AbiList{
-        .targets = [_]ZigTarget{
+        .targets = &[_]ZigTarget{
             ZigTarget{ .arch = .aarch64, .abi = .gnu },
             ZigTarget{ .arch = .aarch64_be, .abi = .gnu },
         },
         .path = "aarch64",
     },
     AbiList{
-        .targets = [_]ZigTarget{ZigTarget{ .arch = .s390x, .abi = .gnu }},
+        .targets = &[_]ZigTarget{ZigTarget{ .arch = .s390x, .abi = .gnu }},
         .path = "s390/s390-64",
     },
     AbiList{
-        .targets = [_]ZigTarget{
+        .targets = &[_]ZigTarget{
             ZigTarget{ .arch = .arm, .abi = .gnueabi },
             ZigTarget{ .arch = .armeb, .abi = .gnueabi },
             ZigTarget{ .arch = .arm, .abi = .gnueabihf },
@@ -47,66 +46,66 @@ const abi_lists = [_]AbiList{
         .path = "arm",
     },
     AbiList{
-        .targets = [_]ZigTarget{
+        .targets = &[_]ZigTarget{
             ZigTarget{ .arch = .sparc, .abi = .gnu },
             ZigTarget{ .arch = .sparcel, .abi = .gnu },
         },
         .path = "sparc/sparc32",
     },
     AbiList{
-        .targets = [_]ZigTarget{ZigTarget{ .arch = .sparcv9, .abi = .gnu }},
+        .targets = &[_]ZigTarget{ZigTarget{ .arch = .sparcv9, .abi = .gnu }},
         .path = "sparc/sparc64",
     },
     AbiList{
-        .targets = [_]ZigTarget{
+        .targets = &[_]ZigTarget{
             ZigTarget{ .arch = .mips64el, .abi = .gnuabi64 },
             ZigTarget{ .arch = .mips64, .abi = .gnuabi64 },
         },
         .path = "mips/mips64",
     },
     AbiList{
-        .targets = [_]ZigTarget{
+        .targets = &[_]ZigTarget{
             ZigTarget{ .arch = .mips64el, .abi = .gnuabin32 },
             ZigTarget{ .arch = .mips64, .abi = .gnuabin32 },
         },
         .path = "mips/mips64",
     },
     AbiList{
-        .targets = [_]ZigTarget{
+        .targets = &[_]ZigTarget{
             ZigTarget{ .arch = .mipsel, .abi = .gnueabihf },
             ZigTarget{ .arch = .mips, .abi = .gnueabihf },
         },
         .path = "mips/mips32",
     },
     AbiList{
-        .targets = [_]ZigTarget{
+        .targets = &[_]ZigTarget{
             ZigTarget{ .arch = .mipsel, .abi = .gnueabi },
             ZigTarget{ .arch = .mips, .abi = .gnueabi },
         },
         .path = "mips/mips32",
     },
     AbiList{
-        .targets = [_]ZigTarget{ZigTarget{ .arch = .x86_64, .abi = .gnu }},
+        .targets = &[_]ZigTarget{ZigTarget{ .arch = .x86_64, .abi = .gnu }},
         .path = "x86_64/64",
     },
     AbiList{
-        .targets = [_]ZigTarget{ZigTarget{ .arch = .x86_64, .abi = .gnux32 }},
+        .targets = &[_]ZigTarget{ZigTarget{ .arch = .x86_64, .abi = .gnux32 }},
         .path = "x86_64/x32",
     },
     AbiList{
-        .targets = [_]ZigTarget{ZigTarget{ .arch = .i386, .abi = .gnu }},
+        .targets = &[_]ZigTarget{ZigTarget{ .arch = .i386, .abi = .gnu }},
         .path = "i386",
     },
     AbiList{
-        .targets = [_]ZigTarget{ZigTarget{ .arch = .powerpc64le, .abi = .gnu }},
+        .targets = &[_]ZigTarget{ZigTarget{ .arch = .powerpc64le, .abi = .gnu }},
         .path = "powerpc/powerpc64/le",
     },
     AbiList{
-        .targets = [_]ZigTarget{ZigTarget{ .arch = .powerpc64, .abi = .gnu }},
+        .targets = &[_]ZigTarget{ZigTarget{ .arch = .powerpc64, .abi = .gnu }},
         .path = "powerpc/powerpc64/be",
     },
     AbiList{
-        .targets = [_]ZigTarget{
+        .targets = &[_]ZigTarget{
             ZigTarget{ .arch = .powerpc, .abi = .gnueabi },
             ZigTarget{ .arch = .powerpc, .abi = .gnueabihf },
         },
@@ -137,8 +136,8 @@ pub fn main() !void {
     const in_glibc_dir = args[1]; // path to the unzipped tarball of glibc, e.g. ~/downloads/glibc-2.25
     const zig_src_dir = args[2]; // path to the source checkout of zig, lib dir, e.g. ~/zig-src/lib
 
-    const prefix = try fs.path.join(allocator, [_][]const u8{ in_glibc_dir, "sysdeps", "unix", "sysv", "linux" });
-    const glibc_out_dir = try fs.path.join(allocator, [_][]const u8{ zig_src_dir, "libc", "glibc" });
+    const prefix = try fs.path.join(allocator, &[_][]const u8{ in_glibc_dir, "sysdeps", "unix", "sysv", "linux" });
+    const glibc_out_dir = try fs.path.join(allocator, &[_][]const u8{ zig_src_dir, "libc", "glibc" });
 
     var global_fn_set = std.StringHashMap(Function).init(allocator);
     var global_ver_set = std.StringHashMap(usize).init(allocator);
@@ -158,26 +157,30 @@ pub fn main() !void {
             const basename = try fmt.allocPrint(allocator, "lib{}.abilist", .{lib_name});
             const abi_list_filename = blk: {
                 if (abi_list.targets[0].abi == .gnuabi64 and std.mem.eql(u8, lib_name, "c")) {
-                    break :blk try fs.path.join(allocator, [_][]const u8{ prefix, abi_list.path, "n64", basename });
+                    break :blk try fs.path.join(allocator, &[_][]const u8{ prefix, abi_list.path, "n64", basename });
                 } else if (abi_list.targets[0].abi == .gnuabin32 and std.mem.eql(u8, lib_name, "c")) {
-                    break :blk try fs.path.join(allocator, [_][]const u8{ prefix, abi_list.path, "n32", basename });
+                    break :blk try fs.path.join(allocator, &[_][]const u8{ prefix, abi_list.path, "n32", basename });
                 } else if (abi_list.targets[0].arch != .arm and
                     abi_list.targets[0].abi == .gnueabihf and
                     (std.mem.eql(u8, lib_name, "c") or
                     (std.mem.eql(u8, lib_name, "m") and abi_list.targets[0].arch == .powerpc)))
                 {
-                    break :blk try fs.path.join(allocator, [_][]const u8{ prefix, abi_list.path, "fpu", basename });
+                    break :blk try fs.path.join(allocator, &[_][]const u8{ prefix, abi_list.path, "fpu", basename });
                 } else if (abi_list.targets[0].arch != .arm and
                     abi_list.targets[0].abi == .gnueabi and
                     (std.mem.eql(u8, lib_name, "c") or
                     (std.mem.eql(u8, lib_name, "m") and abi_list.targets[0].arch == .powerpc)))
                 {
-                    break :blk try fs.path.join(allocator, [_][]const u8{ prefix, abi_list.path, "nofpu", basename });
+                    break :blk try fs.path.join(allocator, &[_][]const u8{ prefix, abi_list.path, "nofpu", basename });
+                } else if (abi_list.targets[0].arch == .arm) {
+                    break :blk try fs.path.join(allocator, &[_][]const u8{ prefix, abi_list.path, "le", basename });
+                } else if (abi_list.targets[0].arch == .armeb) {
+                    break :blk try fs.path.join(allocator, &[_][]const u8{ prefix, abi_list.path, "be", basename });
                 }
-                break :blk try fs.path.join(allocator, [_][]const u8{ prefix, abi_list.path, basename });
+                break :blk try fs.path.join(allocator, &[_][]const u8{ prefix, abi_list.path, basename });
             };
             const contents = std.io.readFileAlloc(allocator, abi_list_filename) catch |err| {
-                std.debug.warn("unable to open {}: {}\n", .{abi_list_filename, err});
+                std.debug.warn("unable to open {}: {}\n", .{ abi_list_filename, err });
                 std.process.exit(1);
             };
             var lines_it = std.mem.tokenize(contents, "\n");
@@ -228,8 +231,8 @@ pub fn main() !void {
         break :blk list.toSliceConst();
     };
     {
-        const vers_txt_path = try fs.path.join(allocator, [_][]const u8{ glibc_out_dir, "vers.txt" });
-        const vers_txt_file = try fs.File.openWrite(vers_txt_path);
+        const vers_txt_path = try fs.path.join(allocator, &[_][]const u8{ glibc_out_dir, "vers.txt" });
+        const vers_txt_file = try fs.cwd().createFile(vers_txt_path, .{});
         defer vers_txt_file.close();
         var buffered = std.io.BufferedOutStream(fs.File.WriteError).init(&vers_txt_file.outStream().stream);
         const vers_txt = &buffered.stream;
@@ -240,15 +243,15 @@ pub fn main() !void {
         try buffered.flush();
     }
     {
-        const fns_txt_path = try fs.path.join(allocator, [_][]const u8{ glibc_out_dir, "fns.txt" });
-        const fns_txt_file = try fs.File.openWrite(fns_txt_path);
+        const fns_txt_path = try fs.path.join(allocator, &[_][]const u8{ glibc_out_dir, "fns.txt" });
+        const fns_txt_file = try fs.cwd().createFile(fns_txt_path, .{});
         defer fns_txt_file.close();
         var buffered = std.io.BufferedOutStream(fs.File.WriteError).init(&fns_txt_file.outStream().stream);
         const fns_txt = &buffered.stream;
         for (global_fn_list) |name, i| {
             const kv = global_fn_set.get(name).?;
             kv.value.index = i;
-            try fns_txt.print("{} {}\n", .{name, kv.value.lib});
+            try fns_txt.print("{} {}\n", .{ name, kv.value.lib });
         }
         try buffered.flush();
     }
@@ -271,8 +274,8 @@ pub fn main() !void {
     }
 
     {
-        const abilist_txt_path = try fs.path.join(allocator, [_][]const u8{ glibc_out_dir, "abi.txt" });
-        const abilist_txt_file = try fs.File.openWrite(abilist_txt_path);
+        const abilist_txt_path = try fs.path.join(allocator, &[_][]const u8{ glibc_out_dir, "abi.txt" });
+        const abilist_txt_file = try fs.cwd().createFile(abilist_txt_path, .{});
         defer abilist_txt_file.close();
         var buffered = std.io.BufferedOutStream(fs.File.WriteError).init(&abilist_txt_file.outStream().stream);
         const abilist_txt = &buffered.stream;
@@ -282,7 +285,7 @@ pub fn main() !void {
             const fn_vers_list = &target_functions.get(@ptrToInt(abi_list)).?.value.fn_vers_list;
             for (abi_list.targets) |target, it_i| {
                 if (it_i != 0) try abilist_txt.writeByte(' ');
-                try abilist_txt.print("{}-linux-{}", .{@tagName(target.arch), @tagName(target.abi)});
+                try abilist_txt.print("{}-linux-{}", .{ @tagName(target.arch), @tagName(target.abi) });
             }
             try abilist_txt.writeByte('\n');
             // next, each line implicitly corresponds to a function
@@ -304,7 +307,7 @@ pub fn main() !void {
 }
 
 pub fn strCmpLessThan(a: []const u8, b: []const u8) bool {
-    return std.mem.compare(u8, a, b) == .LessThan;
+    return std.mem.order(u8, a, b) == .lt;
 }
 
 pub fn versionLessThan(a: []const u8, b: []const u8) bool {